Every point is important, and you have to fight for every one.

You can't change the past, but you can shape the future.

The best engineers don't just solve problems; they redefine what's possible.

Psychology as the behaviorist views it is a purely objective experimental branch of natural science.

不要用战术的勤奋掩盖战略的懒惰。

理论与实验之间的合作对于物理学的进步至关重要。