物理定律在宇宙中无处不在，这是一个深刻的真理，将我们所有人联系在一起。

I don't know. Sometimes when I feel about to cry, it often evolves into an impulse to almost laugh. That must have been how I really felt at the time, because I laughed, almost giggled.

我们知道的越多，就越意识到自己知道的多么少。

The most important single aspect of software development is to be clear about what you are trying to build.