Clothes make the man. Naked people have little or no influence on society.

Freedom is not a gift, but a right that must be fought for.

哲学的功能是在作为统治阶级武器的科学思想和作为无产阶级武器的科学思想之间划清界限。

In the realm of theoretical physics, every discovery opens up new questions and challenges.

一本好书是一位伟大的老师。