1、a friend in need is a friend indeed。患难见真交。
2、a true friend is known in the day of adversity。疾风知劲草，患难见真情。
3、friendship multiplies joys and pides griefs。友谊可以增添欢乐，可以分担忧愁。
4、a joke never gains an enemy but often loses a friend。开玩笑总不能化敌为友，反而有时会失去朋友。
5、familiar paths and old friends are the best。熟路好遵循，老友最可珍。
6、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。
7、a hedge between keeps friendship green。有一道隔墙会保持友谊常青。
8、life without a friend is death without a witness。在世无朋友，死后无证人。
9、a near friend is better than a far-dwelling kinsman。远亲不如近邻。
10、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。
11、a friend is never known till a man has need。不到患难时，永远不能认识真正的朋友。
12、friendship the older it grows the stronger it is。友谊地久天长。
13、one friend in a lifetime is much; two are many; three are hardly possible。一生有一个朋友就够了，有两个则太多，三个则很难存在。
14、a life without a friend is a life without a sun。人生在世无朋友，犹如生活无太阳。
15、a friend is a second self。朋友是另一个我。
