The explanatory gap between physical processes and conscious experience remains as wide as ever.

传记的挑战不在于发现事实 - 而在于发现事实背后的意义。

最好的艺术是慷慨的。

A good chemist is a lazy chemist—always looking for the easiest way to do things.

The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.