1. A gentleman is ignorant of himself, but trusts in his close friends. ——Sima Qian

2. In addition to the concept of disinterest, mutual respect seems to be another key point of friendship. ——Moroa

3. If you make friends with non-sages, you will inevitably develop love and hatred. ——Meng Jiao

4. When good people are together, they will hear good advice every day; when evil people are around, they will have evil feelings every day. ——Fan Ye

5. Be careful when choosing friends! The pure selfishness will put on the mask of friendship, but also set traps to trap you.

——"The Fables of Krylov"