质量从来不是偶然的，而是意图和努力的结果。

作家必须是一个永远的初学者，总是怀疑，总是探索。

质量始于土壤；如果你照顾好土地，土地就会照顾好你。

We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.

多元宇宙不是一个理论，而是我们理论的后果。

The fundamental principle of gestalt psychology is that the mind forms a global whole with self-organizing tendencies.