Actions speak louder than words.

　　事实胜于雄辩。

　　Adversity leads to prosperity.

　　穷则思变。

　　Adversity makes a man wise, not rich.

　　逆境出人才。

　　A fair death honors the whole life.

　　死得其所，流芳百世。

　　A faithful friend is hard to find.

　　知音难觅。

　　A fall into a pit, a gain in your wit.

　　吃一堑，长一智。

　　A fox may grow gray, but never good.

　　江山易改，本性难移。

　　A friend in need is a friend indeed.

　　患难见真情。

　　A friend is easier lost than found.

　　得朋友难，失朋友易。

　　A friend is never known till a man has need.

　　需要之时方知友。

　　A friend without faults will never be found.

　　没有十全十美的朋友。

　　'After you' is good manners.

　　“您先请”是礼貌。