Actions speak louder than words.
事实胜於雄辩。
Adversity leads to prosperity.
逆境迎向昌盛。
A fall into the pit, a gain in your wit.
吃一堑，长一智。
A friend in need is a friend indeed.
患难朋友才是真朋友。
A friend is a second self.
朋友是另一个我。
A friend is best found in adversity.
患难见真友。
All time is no time when it is past.
光阴一去不复返。
All work and no play makes Jack a dull boy; all play and no work makes Jack a mere boy.
只工作，不玩耍，聪明孩子要变傻；尽玩耍，不学习，聪明孩子没出息。
