"I think people believe in heaven because they don’t like the idea of dying, because they want to carry on living and they don’t like the idea that other people will move into their house and put their things into the rubbish."

A man who moralizes is usually a hypocrite, and a woman who moralizes is invariably plain.

Innovation requires both fundamental research and practical application.

计算机科学对社会的影响是深远而广泛的。