diff --git a/main/java/org/example/Main.java b/main/java/org/example/Main.java
new file mode 100644
index 0000000..34149d9
--- /dev/null
+++ b/main/java/org/example/Main.java
@@ -0,0 +1,150 @@
+package org.example;
+
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+import org.json.simple.parser.JSONParser;
+import org.json.simple.parser.ParseException;
+
+import java.io.*;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.*;
+
+public class Main {
+    public static void quotes() throws IOException, ParseException {
+        int number = 0;
+        Scanner in = new Scanner(System.in);
+        String command = "";
+        Map<Integer,String> words = new HashMap<>();
+        Map<Integer,String> names = new HashMap<>();
+        File dir = new File("E:\\JavaStudy\\quotesList\\db\\wiseSaying");
+        File files[] = dir.listFiles();
+        for(int i = 0; i < files.length; i++){
+            String filename = files[i].getName().split("\\.")[0];
+            if(isNumberic(filename)){
+                JSONParser parser = new JSONParser();
+                Reader reader = new FileReader(files[i].getPath());
+                JSONObject jsonObject = (JSONObject) parser.parse(reader);
+
+                String w = (String) jsonObject.get("content");
+                String n = (String) jsonObject.get("author");
+                int num = Integer.parseInt(String.valueOf(jsonObject.get("id")));
+
+                words.put(num, w);
+                names.put(num, n);
+
+                if(number < num)
+                    number = num;
+
+                reader.close();
+            }
+        }
+
+        while(true){
+            System.out.println("== 명언 앱 ==");
+            System.out.print("명령) ");
+            command = in.nextLine();
+            if(command.equals("종료"))
+                break;
+            else if(command.equals("등록")){
+                System.out.print("명언 : ");
+                String word = in.nextLine();
+                System.out.print("작가 : ");
+                String name = in.nextLine();
+                number++;
+                words.put(number, word);
+                names.put(number, name);
+                System.out.println(number+ "번 명언이 등록되었습니다.");
+                file_save(number, word, name);
+                File f = new File("E:\\JavaStudy\\quotesList\\db\\wiseSaying\\lastId.txt");
+                FileWriter fw = new FileWriter(f, false) ;
+                fw.write(number + "");
+                fw.flush();
+                fw.close();
+            }
+            else if(command.equals("목록")){
+                System.out.println("번호 / 작가 / 명언");
+                for(int key : words.keySet()){
+                    System.out.println(key + " / " + names.get(key) + " / " + words.get(key));
+                }
+            }
+            else if(command.contains("삭제")){
+                int rm = Integer.parseInt(command.split("=")[1]);
+                if(words.containsKey(rm)){
+                    words.remove(rm);
+                    names.remove(rm);
+                    System.out.println(rm+"번 명언이 삭제되었습니다.");
+                    Path path = Paths.get("E:\\JavaStudy\\quotesList\\db\\wiseSaying\\"+rm+".json");
+                    try {
+                        Files.delete(path);
+                    } catch (IOException e){
+                        e.printStackTrace();
+                    }
+                }
+                else
+                    System.out.println(rm+"번 명언은 존재하지 않습니다.");
+
+            }
+            else if(command.contains("수정")){
+                int rp = Integer.parseInt(command.split("=")[1]);
+                if(words.containsKey(rp)){
+                    System.out.println("명언(기존) : " + words.get(rp));
+                    System.out.print("명언 : ");
+                    String word = in.nextLine();
+                    System.out.println("작가(기존) : " + names.get(rp));
+                    System.out.print("작가 : ");
+                    String name = in.nextLine();
+                    words.put(rp, word);
+                    names.put(rp, name);
+                    file_save(rp, word, name);
+                }
+                else
+                    System.out.println(rp+"번 명언은 존재하지 않습니다.");
+            }
+            else if(command.equals("빌드")){
+                JSONArray jsonArray = new JSONArray();
+                for(int key : words.keySet()){
+                    JSONObject obj = new JSONObject();
+                    obj.put("id", key);
+                    obj.put("content", words.get(key));
+                    obj.put("author", names.get(key));
+                    jsonArray.add(obj);
+                }
+                try {
+                    FileWriter file = new FileWriter("E:\\JavaStudy\\quotesList\\db\\wiseSaying\\data.json");
+                    file.write(jsonArray.toJSONString());
+                    file.flush();
+                    file.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+
+
+    }
+
+    public static boolean isNumberic(String str) {
+        return str.matches("[+-]?\\d*(\\.\\d+)?");
+    }
+
+    public static void file_save(int number, String word, String name){
+        JSONObject obj = new JSONObject();
+        obj.put("id", number);
+        obj.put("content", word);
+        obj.put("author", name);
+        try {
+            FileWriter file = new FileWriter("E:\\JavaStudy\\quotesList\\db\\wiseSaying\\"+number+".json");
+            file.write(obj.toJSONString());
+            file.flush();
+            file.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static void main(String[] args) throws IOException, ParseException {
+        quotes();
+    }
+}
\ No newline at end of file
diff --git a/main/java/wiseSaying/App.java b/main/java/wiseSaying/App.java
new file mode 100644
index 0000000..4238900
--- /dev/null
+++ b/main/java/wiseSaying/App.java
@@ -0,0 +1,34 @@
+package wiseSaying;
+
+import org.json.simple.parser.ParseException;
+import java.io.*;
+import java.util.*;
+
+public class App {
+    public final wiseSayingController controller;
+    public App(){
+        this.controller = new wiseSayingController();
+    }
+    public void run() throws IOException {
+        int number = 0;
+        String[] commands = {"등록", "종료", "삭제", "수정", "빌드", "목록"};
+        Scanner in = new Scanner(System.in);
+        String command = "";
+
+        while(true){
+            System.out.println("== 명언 앱 ==");
+            System.out.print("명령) ");
+            command = in.nextLine();
+
+            if(command.length() < 2 || !Arrays.asList(commands).contains(command.substring(0, 2))){
+                System.out.println("존재하지 않는 커맨드입니다.");
+            }
+            else if(command.equals("종료")){
+                break;
+            }
+            else{
+                controller.control(command);
+            }
+        }
+    }
+}
diff --git a/main/java/wiseSaying/Main.java b/main/java/wiseSaying/Main.java
new file mode 100644
index 0000000..491987c
--- /dev/null
+++ b/main/java/wiseSaying/Main.java
@@ -0,0 +1,13 @@
+package wiseSaying;
+
+import org.json.simple.parser.ParseException;
+
+import java.io.IOException;
+
+public class Main {
+    public static App app = new App();
+
+    public static void main(String[] args) throws IOException {
+        app.run();
+    }
+}
diff --git a/main/java/wiseSaying/WiseSaying.java b/main/java/wiseSaying/WiseSaying.java
new file mode 100644
index 0000000..01cd591
--- /dev/null
+++ b/main/java/wiseSaying/WiseSaying.java
@@ -0,0 +1,19 @@
+package wiseSaying;
+
+class WiseSaying {
+    int id;
+    String content;
+    String author;
+
+    public int getId() {
+        return id;
+    }
+
+    public String getAuthor() {
+        return author;
+    }
+
+    public String getContent() {
+        return content;
+    }
+}
diff --git a/main/java/wiseSaying/wiseSayingController.java b/main/java/wiseSaying/wiseSayingController.java
new file mode 100644
index 0000000..b7dffac
--- /dev/null
+++ b/main/java/wiseSaying/wiseSayingController.java
@@ -0,0 +1,95 @@
+package wiseSaying;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
+import java.util.Scanner;
+
+public class wiseSayingController {
+    public final Scanner in;
+    public final wiseSayingService wiseSayingService;
+
+    public wiseSayingController(){
+        this.in = new Scanner(System.in);
+        this.wiseSayingService = new wiseSayingService();
+    }
+
+    public void control(String command) throws IOException {
+
+        if(command.equals("등록")){
+            System.out.print("명언 : ");
+            String content = in.nextLine();
+            System.out.print("작가 : ");
+            String author = in.nextLine();
+
+            wiseSayingService.addSaying(content, author);
+            System.out.println(wiseSayingService.getLastId()+ "번 명언이 등록되었습니다.");
+        }
+        else if(command.startsWith("목록?keywordType")){
+            String[] commands = command.split("=");
+            String keywordType = commands[1].split("&")[0];
+            String keyword = commands[2];
+
+            System.out.println("번호 / 작가 / 명언");
+            List<WiseSaying> wiseSayingList = wiseSayingService.searchSaying(keywordType, keyword);
+            for(WiseSaying wiseSaying : wiseSayingList){
+                System.out.println(wiseSaying.getId() + " / " + wiseSaying.getAuthor() + " / " + wiseSaying.getContent());
+            }
+        }
+        else if(command.startsWith("목록")){
+            int page = 1;
+
+            if(command.contains("?"))
+                page = Integer.parseInt(command.split("=")[1]);
+
+            System.out.println("번호 / 작가 / 명언");
+            System.out.println("----------------");
+
+            List<WiseSaying> wiseSayingList = wiseSayingService.getPageWiseSayings(page);
+            for(WiseSaying wiseSaying : wiseSayingList){
+                System.out.println(wiseSaying.getId() + " / " + wiseSaying.getAuthor() + " / " + wiseSaying.getContent());
+            }
+            System.out.println("----------------");
+            System.out.print("페이지 : ");
+
+            int maxPage = wiseSayingService.getMaxPage();
+            for(int i = 1; i <= maxPage; i++){
+                if(i == page)
+                    System.out.print(" ["+ i + "] ");
+                else
+                    System.out.print(" "+i+" ");
+
+                if(i != maxPage)
+                    System.out.print("/");
+                else
+                    System.out.println();
+            }
+        }
+        else if(command.startsWith("삭제?")){
+            int rm = Integer.parseInt(command.split("=")[1]);
+            if(wiseSayingService.contentExists(rm)) {
+                wiseSayingService.deleteSaying(rm);
+            }
+            else
+                System.out.println(rm+"번 명언은 존재하지 않습니다.");
+        }
+        else if(command.startsWith("수정?")){
+            int rp = Integer.parseInt(command.split("=")[1]);
+            if(wiseSayingService.contentExists(rp)){
+                Map<Integer, WiseSaying> wiseSayingMap = wiseSayingService.getWiseSayings();
+                System.out.println("명언(기존) : " + wiseSayingMap.get(rp).getContent());
+                System.out.print("명언 : ");
+                String content = in.nextLine();
+                System.out.println("작가(기존) : " + wiseSayingMap.get(rp).getAuthor());
+                System.out.print("작가 : ");
+                String author = in.nextLine();
+                wiseSayingService.updateSaying(rp, content, author);
+            }
+            else
+                System.out.println(rp+"번 명언은 존재하지 않습니다.");
+        }
+        else if(command.equals("빌드")){
+            wiseSayingService.build();
+        }
+    }
+}
diff --git a/main/java/wiseSaying/wiseSayingRepository.java b/main/java/wiseSaying/wiseSayingRepository.java
new file mode 100644
index 0000000..386cf40
--- /dev/null
+++ b/main/java/wiseSaying/wiseSayingRepository.java
@@ -0,0 +1,127 @@
+package wiseSaying;
+
+import org.json.simple.JSONArray;
+import org.json.simple.parser.JSONParser;
+
+import org.json.simple.JSONObject;
+import org.json.simple.parser.ParseException;
+import java.io.*;
+import java.util.*;
+
+public class wiseSayingRepository {
+    private final String dirPath = "src\\main\\resources\\db\\wiseSaying";
+    private final Map<Integer, WiseSaying> wiseSayings = new HashMap();
+    private int lastId = 0;
+
+    public wiseSayingRepository(){
+        loadContents();
+    }
+
+    private void loadContents() {
+        File dir = new File(dirPath);
+        File[] files = dir.listFiles();
+
+        if (files == null) return;
+
+        JSONParser parser = new JSONParser();
+
+        for (File file : files) {
+            String fileName = file.getName().split("\\.")[0];
+            if (isNumeric(fileName)) {
+                try (Reader reader = new FileReader(file)) {
+                    JSONObject jsonObject = (JSONObject) parser.parse(reader);
+                    int id = Integer.parseInt(jsonObject.get("id").toString());
+                    String content = (String) jsonObject.get("content");
+                    String author = (String) jsonObject.get("author");
+
+                    WiseSaying w = new WiseSaying();
+                    w.id = id;
+                    w.content = content;
+                    w.author = author;
+
+                    wiseSayings.put(id, w);
+
+                    lastId = Math.max(lastId, id);
+                } catch (IOException | ParseException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
+    public void saveContent(int id, String content, String author){
+        WiseSaying w = new WiseSaying();
+        w.id = id;
+        w.content = content;
+        w.author = author;
+
+        wiseSayings.put(id, w);
+
+        JSONObject jsonObject = new JSONObject();
+        jsonObject.put("id", id);
+        jsonObject.put("content", content);
+        jsonObject.put("author", author);
+
+        try (FileWriter file = new FileWriter(dirPath + "\\" + id + ".json")) {
+            file.write(jsonObject.toJSONString());
+            file.flush();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public void saveLastId() throws IOException {
+        File f = new File(dirPath+"\\lastId.txt");
+        FileWriter fw = new FileWriter(f, false) ;
+        fw.write(lastId + "");
+        fw.flush();
+        fw.close();
+    }
+
+    public void deleteContent(int id) {
+        wiseSayings.remove(id);
+
+        File file = new File(dirPath + "\\" + id + ".json");
+        if (file.exists()) {
+            file.delete();
+        }
+    }
+
+    public void buildJson() {
+        JSONArray jsonArray = new JSONArray();
+        for (WiseSaying wiseSaying : wiseSayings.values()) {
+            JSONObject jsonObject = new JSONObject();
+            jsonObject.put("id", wiseSaying.getId());
+            jsonObject.put("content", wiseSaying.getContent());
+            jsonObject.put("author", wiseSaying.getAuthor());
+            jsonArray.add(jsonObject);
+        }
+
+        try (FileWriter file = new FileWriter(dirPath + "\\data.json")) {
+            file.write(jsonArray.toJSONString());
+            file.flush();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public boolean contentExists(int id) {
+        return wiseSayings.containsKey(id);
+    }
+
+    public int plusLastId(){
+        return ++lastId;
+    }
+
+    public int getLastId(){
+        return lastId;
+    }
+
+    public Map<Integer, WiseSaying> getWiseSayings(){
+        return wiseSayings;
+    }
+
+    private boolean isNumeric(String str) {
+        return str.matches("[+-]?\\d*(\\.\\d+)?");
+    }
+}
diff --git a/main/java/wiseSaying/wiseSayingService.java b/main/java/wiseSaying/wiseSayingService.java
new file mode 100644
index 0000000..3c37233
--- /dev/null
+++ b/main/java/wiseSaying/wiseSayingService.java
@@ -0,0 +1,88 @@
+package wiseSaying;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+public class wiseSayingService {
+    public final wiseSayingRepository wiseSayingRepository;
+
+    public wiseSayingService(){
+        this.wiseSayingRepository = new wiseSayingRepository();
+    }
+
+    public void addSaying(String content, String author) throws IOException {
+        int id = wiseSayingRepository.plusLastId();
+        wiseSayingRepository.saveContent(id, content, author);
+        wiseSayingRepository.saveLastId();
+    }
+
+    public void deleteSaying(int number){
+        wiseSayingRepository.deleteContent(number);
+    }
+
+    public void updateSaying(int id, String content, String author){
+        wiseSayingRepository.saveContent(id, content, author);
+    }
+
+    public List<WiseSaying> searchSaying(String keywordType, String keyword){
+        List<WiseSaying> result = new ArrayList<>();
+        Map<Integer, WiseSaying> wiseSayingMap = wiseSayingRepository.getWiseSayings();
+
+        for(WiseSaying wiseSaying : wiseSayingMap.values()){
+            if("content".equalsIgnoreCase(keywordType) && wiseSaying.getContent().contains(keyword)){
+                result.add(wiseSaying);
+            }
+            else if("author".equalsIgnoreCase(keywordType) && wiseSaying.getAuthor().contains(keyword)){
+                result.add(wiseSaying);
+            }
+        }
+
+        return result;
+    }
+
+    public List<WiseSaying> getPageWiseSayings(int page){
+        final int pageSize = 5;
+        Map<Integer, WiseSaying> wiseSayingMap = wiseSayingRepository.getWiseSayings();
+
+        List<WiseSaying> sayingList = new ArrayList<>(wiseSayingMap.values());
+        sayingList.sort((a, b) -> Integer.compare(b.getId(), a.getId()));
+
+        int start = (page - 1) * pageSize;
+        int end = Math.min(start + pageSize, sayingList.size());
+
+        if(start >= sayingList.size()){
+            return Collections.emptyList();
+        }
+
+        return sayingList.subList(start, end);
+    }
+
+    public int getMaxPage(){
+        final int pageSize = 5;
+
+        int MaxPage = wiseSayingRepository.getWiseSayings().size() / 5;
+        if(wiseSayingRepository.getWiseSayings().size() % 5 != 0)
+            MaxPage++;
+
+        return MaxPage;
+    }
+
+    public Map<Integer, WiseSaying> getWiseSayings(){
+        return wiseSayingRepository.getWiseSayings();
+    }
+
+    public boolean contentExists(int id) {
+        return wiseSayingRepository.contentExists(id);
+    }
+
+    public void build(){
+        wiseSayingRepository.buildJson();
+    }
+
+    public int getLastId(){
+        return wiseSayingRepository.getLastId();
+    }
+}
diff --git a/main/resources/db/wiseSaying/10.json b/main/resources/db/wiseSaying/10.json
new file mode 100644
index 0000000..749f171
--- /dev/null
+++ b/main/resources/db/wiseSaying/10.json
@@ -0,0 +1 @@
+{"author":"작가4","id":10,"content":"명언4"}
\ No newline at end of file
diff --git a/main/resources/db/wiseSaying/2.json b/main/resources/db/wiseSaying/2.json
new file mode 100644
index 0000000..003b002
--- /dev/null
+++ b/main/resources/db/wiseSaying/2.json
@@ -0,0 +1 @@
+{"author":"하이","id":2,"content":"하이호"}
\ No newline at end of file
diff --git a/main/resources/db/wiseSaying/3.json b/main/resources/db/wiseSaying/3.json
new file mode 100644
index 0000000..b31ee8b
--- /dev/null
+++ b/main/resources/db/wiseSaying/3.json
@@ -0,0 +1 @@
+{"author":"안녕","id":3,"content":"안녕합니다"}
diff --git a/main/resources/db/wiseSaying/5.json b/main/resources/db/wiseSaying/5.json
new file mode 100644
index 0000000..76d6338
--- /dev/null
+++ b/main/resources/db/wiseSaying/5.json
@@ -0,0 +1 @@
+{"author":"반가워","id":5,"content":"안녕"}
\ No newline at end of file
diff --git a/main/resources/db/wiseSaying/6.json b/main/resources/db/wiseSaying/6.json
new file mode 100644
index 0000000..3824132
--- /dev/null
+++ b/main/resources/db/wiseSaying/6.json
@@ -0,0 +1 @@
+{"author":"반가워 반가워","id":6,"content":"안녕 안녕"}
\ No newline at end of file
diff --git a/main/resources/db/wiseSaying/7.json b/main/resources/db/wiseSaying/7.json
new file mode 100644
index 0000000..00ffd18
--- /dev/null
+++ b/main/resources/db/wiseSaying/7.json
@@ -0,0 +1 @@
+{"author":"작가1","id":7,"content":"명언1"}
\ No newline at end of file
diff --git a/main/resources/db/wiseSaying/8.json b/main/resources/db/wiseSaying/8.json
new file mode 100644
index 0000000..3d6e296
--- /dev/null
+++ b/main/resources/db/wiseSaying/8.json
@@ -0,0 +1 @@
+{"author":"작가2","id":8,"content":"명언2"}
\ No newline at end of file
diff --git a/main/resources/db/wiseSaying/9.json b/main/resources/db/wiseSaying/9.json
new file mode 100644
index 0000000..ebd18b8
--- /dev/null
+++ b/main/resources/db/wiseSaying/9.json
@@ -0,0 +1 @@
+{"author":"작가3","id":9,"content":"명언3"}
\ No newline at end of file
diff --git a/main/resources/db/wiseSaying/data.json b/main/resources/db/wiseSaying/data.json
new file mode 100644
index 0000000..97d9003
--- /dev/null
+++ b/main/resources/db/wiseSaying/data.json
@@ -0,0 +1 @@
+[{"author":"하이","id":2,"content":"하이호"},{"author":"안녕하다구요","id":3,"content":"안녕합니다"},{"author":"구들아","id":4,"content":"반갑다"},{"author":"반가워","id":5,"content":"안녕"},{"author":"반가워 반가워","id":6,"content":"안녕 안녕"}]
\ No newline at end of file
diff --git a/main/resources/db/wiseSaying/lastId.txt b/main/resources/db/wiseSaying/lastId.txt
new file mode 100644
index 0000000..9a03714
--- /dev/null
+++ b/main/resources/db/wiseSaying/lastId.txt
@@ -0,0 +1 @@
+10
\ No newline at end of file