Stay hungry, stay foolish, but also stay focused.

成功的真正标准是你对他人的影响。

The study of mathematics is like air or gravity—it is everywhere, and you can't see it, but you know it's there.

最伟大的实验是那些挑战我们认为我们知道的东西的实验。

赏析：形容人的身体如同枯木，心灵如同死灰，达到了一种超脱的境界，不再被外界的事物所干扰。