1. We know each other in the sea, and we are neighbors in the world. - (Tang Dynasty) Wang Bo

2. When talking to friends, you don’t need to pay attention, but when facing enemies, you must always be on guard. ——Lu Xun

3. Helping each other wholeheartedly and being intimate is the highest state of friendship. ——Valois

4. Those who are close to vermilion are red, and those who are close to ink are black. -(Western Jin Dynasty) Fu Xuan

5. Never fall into pride. Because when you are proud, you will reject other people's advice and the help of friendship; because when you are proud, you will be stubborn when you should agree; because when you are proud, you will lose the objective criterion. ——Pavlov

6. Sincere friendship seems to be healthy. You only know how valuable it is when you lose it. —— Corton

7. A gentleman does not mirror water, but mirrors people. If you look in the mirror at water, you will see the face; if you look in the mirror at a person, you will know the bad and good fortune. ——Mo Zhai

8. A gentleman avoids sexual relations and chooses friends as if he were seeking a teacher. ——(Tang Dynasty) Jia Dao

9. Gentlemen and gentlemen are friends of the same way, and villains are friends of the same interests. -(Song Dynasty) Ouyang Xiu

10. Among all the happiness that wisdom provides to the whole life, obtaining friendship is the most important. ——Epicurus