在科学问题上，一千个人的权威抵不上一个人的谦逊推理。

Freedom would be not to choose between black and white but to abjure such prescribed choices.

创造力是智力的乐趣。

I prefer to supervise the whole operations of the government myself rather than entrust the public business to subordinates, and this makes my duties very great.

好人是那个，无论他以前有多么道德上不值得，都在努力变得更好的人。