You can’t be afraid to fail. It’s the only way you succeed.

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.

Here I disclaim all my paternal care,Propinquity and property of blood, And as a stranger to my heart and me Hold you, from this, for ever.

The most profound insights in mathematics often come from unexpected analogies.

The worst enemy of life, freedom and the common decencies is total anarchy; their second worst enemy is total power.

The first man who， having enclosed a piece of ground， bethought himself of saying 'This is mine，' and found people simple enough to believe him， was the real founder of civil society.

计算机科学家最重要的技能是解决问题。