Friends agree best at distance

　　朋友之間也會保持距離。

　　Friends are thieves of time

　　朋友是時間的竊賊。

　　Friends must part

　　再好的朋友也有分手的時候。

　　He is a good friend that speaks well of us behind our backs

　　背后說好話，才是真朋友。

　　I cannot be your friend and your flatterer too

　　朋友不能阿諛奉承。

　　Old friends and old wines are best

　　陳酒味醇，老友情深。

　　A faithful friend is the medicine of life

　　真誠的朋友如一劑生活的良藥。

　　What is a friend? A single soul dewlling in two bodies

　　朋友是什么?兩幅軀殼擁有同一個靈魂。

　　A friend in need is a friend indeed, (需要幫助時伸出援手的朋友才是真正的朋友。)

　　患難見真情。

　　Lend your money and lose your friend.

　　不要把錢借給朋友，如果借了，要么你朋友會因為你催還錢而不高興，要么你會因為你朋友不還錢而不高興。

　　You should not lend money to your friends; if you do, either you will have to bother your friend to repay the loan, which will make your friend resent you, or your friend will not repay the loan, which will make you resent your friend。

　　(這個不太符合中國人的觀點吧...不過也有它的道理的)