译文：高兴欣喜之时不要轻易向其他人许诺，生气愤怒之时不要和其他人争执说话。赏析：人在情绪波动之时，做出的任何抉择往往都是错误的。人只有在心平气和之下，才能非常理性地做出选择。

The hours of folly are measured by the clock, but of wisdom: no clock can measure.

It is only shallow peoplewho require years to get rid of an emotion. A man who is master of himself, can end a sorrow as easily as he can invent a pleasure.

我们工作中最大的回报是知道自己带来了改变。

对心智的研究应着眼于其适应功能。

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

You are your best thing.

Nothing is more precious than independence and liberty.