The study of the mind must be value-free.

Parents wonder why the streams are bitter, when they themselves have poisoned the fountain.

相对论不仅仅是一种科学理论，而且是一种哲学理论，它深刻地影响了我们对宇宙的概念。

In looking for someone to hire, you look for three qualities: integrity, intelligence, and energy. But the most important is integrity because if they don't have that, the other two qualities, intelligence and energy, are going to kill you.