尽天下之卵，其石犹是也，不可毁也。
世上所有的鸡蛋去碰石头，石头也会依然如故，不会被毁坏。
Precision in experimentation is as important as creativity in hypothesis.
"Time is always a surprise. It moves in ways we can't predict."
These are the times that try men's souls.
Every mental act has its place in the economy of life.
安全不仅仅是一项政策，它是一种从高层开始的文化。