1.A bosom friend afar brings a distant land near.

海内存知己, 天涯若比邻。

2.To preserve a friend three things are required: to honour him present, praise him absent, and assist him in his necessities. 

维持友谊需要三点∶当面尊重他,背后赞扬他,需要时帮助他。
 
3.Everything is good when new, but friend when old. 

东西新的好,朋友老的好。

4.Most men's friendships are too inarticulate.

5.Because friendships enhance our lives,it is important to cultivate them.

培植友谊十分重要,因为友谊能提高生活的价值。

6.Betraying a trust is a very quick and painful way to terminate a friendship.

背信弃义会迅速而痛苦地断送友谊。

7.Friendship is like a plant of slow growth.

友谊像生长着的植物, 是慢慢地建立起来的。

8. Both together do best of all.

二人同心,无往不胜。

9. A friend without faults will never be found.

没有十全十美的朋友。

10. A friend is never known till a man has need.

需要之时方知友。