成就的唯一途径是热爱自己的事业，如果你还没找到的话，继续寻找，不要屈就。

Collaboration across sectors is key to solving environmental challenges.

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 to be obeyed.

The work of every workman is fully planned out by the management at least one day in advance, and each man receives in most cases complete written instructions, describing in detail the task which he is to accomplish.

数学的本质在于它的自由。