10、异性友情的发展，就像双曲线，无限接近但永不触及。

The development of heterosexual friendship, like hyperbola, is infinitely close but never touched.

11、友谊是人生的调味品，也是人生的止痛药。

Friendship is not only the spice of life, but also the painkiller of life.

12、友谊既不需要奴隶，也不允许有统治者，友谊喜欢平等。

Friendship needs neither slaves nor rulers. Friendship likes equality.

13、在欢乐时，朋友会认识我们；在患难时，我们会认识朋友。

Friends know us when we are happy, and we know friends when we are in trouble.

14、真诚的友谊好像健康，失去时才知道它的可贵。

Sincere friendship is like health. It's only when you lose it that you know its value.

15、你我间的友情就是彼此一种心灵的感应，是一种心领神会的感悟。

The friendship between you and me is a kind of spiritual feeling, a kind of spiritual understanding.

16、这是一条友谊的规律：一旦疑心从前门走进，爱情就会从后门溜走。

It's a rule of friendship: once suspicion enters through the front door, love slips through the back door.

17、开诚布公与否和友情的深浅，不应该用时间的长短来衡量。

Openness and friendship should not be measured by the length of time.

18、友谊建立在同志中，巩固在真挚上，发展在批评里，断送在奉承中。

Friendship is built in comrades, consolidated in sincerity, developed in criticism, and ended in flattery.

19、真正的友谊总是预见对方的需要，而不是宣布自己需要什么。

True friendship foresees each other's needs rather than announcing what they need.

20、友情是装在瓶里的佳酿，无色无味，多年后开启溢出的是那浓浓的情。

Friendship is a good wine in a bottle. It is colorless and tasteless. Many years later, it overflows with strong feelings.

21、在私底下要忠告你的朋友，在公开场合又表扬你的朋友。

Advise your friends in private and praise them in public.

22、我们的朋友比我们想象的少，却比我们认识的多。