All work and no play makes Jack a dull boy.只会用功不玩耍，聪明孩子也变傻。

A man becomes learned by asking questions.不耻下问才能有学问。

A man can do no more than he can.凡事都应量力而行。

A man cannot spin and reel at the same time.一心不能二用。

First impressions are half the battle.初次见面，印象最深。

First think and then speak.先想後说。

Fools grow without watering.朽木不可雕。

He is lifeless that is faultless.只有死人才不犯错误。

He is not fit to command others that cannot command himself.正人先正己。