I don't believe in poverty. I believe in hard work.

The peculiar evil of silencing the expression of an opinion is that it is robbing the human race； posterity as well as the existing generation； those who dissent from the opinion， still more than those who hold it.

The true measure of a company's success is its ability to adapt and thrive in the face of adversity.

The truth is rarely pure and never simple.

弦理论是二十一世纪物理学的一部分，偶然落入了二十世纪。

Do not put forward anything that you cannot prove by experimentation.