The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.

小孩子们对大人们应该宽厚些，不要埋怨他们。

A person is never happy except at the price of some ignorance.

一项发明可能价值连城，但对发明者却毫无价值。

我逐渐认识到：人并非生而自由。

别逼我，我已经在悬崖边上了。