I don't know where I'm gonna be in five years, but I'm gonna be working my butt off to get there.

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

只有女子和小人最难相处，亲近了，他们说你不庄重；疏远了，他们又会怨恨你。

"In observational studies, we often have to rely on assumptions that are not directly testable."

Innovation is what will bridge the gap between traditional energy and the future.