a friend is a second self. 朋友是另一个我。

a faithful friend is hard to find. 益友难得。

a friend exaggerates a man's virtue, an enemy hiscrimes. 朋友宣扬人的美德，敌人夸大人的罪过。

a friend in court is better than a penny in purse.曩中有钱，不如朝中有友。

a friend in need is a friend indeed. 患难朋友才是真朋友。

a friend is best found in adversity. 患难见真友。

a friend is never known till a man have need.不到患难时，永远不能认识真正的朋友。

a friend is not so soon gotten as lost. 交友慢，失友快。

a friend to every body is a friend to nobody. 广交友，无深交。

a friend without faults will never be found.没有缺点的朋友是永远找不到的。

a good friend is my nearest relation. 良友如近亲。

a father is a treasure, a brother is a comfort, but a friend is both. 父亲是财富，兄弟是安慰，朋友兼而有之。

admonish your friends in private, praise them in public.在私底下要忠告你的朋友，在公开场合又表扬你的朋友。