理性的人适应世界，非理性的人坚持让世界适应自己。因此，所有的进步都依赖于非理性的人。
The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.
编写无错误程序的方式有两种：只有第三个有效。
A lot of people are afraid to say what they want. That's why they don't get what they want.
我开始相信，一位伟大的教师是一位伟大的艺术家，而且像其他伟大的艺术家一样稀少。教学甚至可能是最伟大的艺术，因为媒介是人的思想和精神。
Quality is not an act, it is a habit.