The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

The best way to understand a program is to try to change it.

I don't believe in luck. I believe in effort.

Quality is not a coincidence; it is a consequence.

心理生活是一个整体，这一普遍说法在某种意义上可以被接受为真实的，即它是一个相互关联的整体。