1、Friends are like fiddle-strings, they must not be screwed too tight.
朋友像琴弦，不能太拧紧。
2、Without a friend the world is a wilderness.
没有朋友，世界就等於一片荒野。
3、Between friends all is common.
朋友之间不分彼此。
4、In time of prosperity, friends will be plenty; In time of adversity, not one amongst twenty.
富在深山有远亲，穷在闹市无人
5、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。
6、Trust not the praise of a friend, nor the contempt of an enemy.
不要信赖朋友的赞扬，也不要仇敌的轻蔑放在心上。
7、Friendship the older it grows the stronger it is.
友谊地久天长。
8、Familiar paths and old friends are the best.
熟路好遵循，老友最可珍。
9、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。