Democracy is the worst form of government except all those other forms that have been tried from time to time.

Computer programming is an art, because it applies accumulated knowledge to the world, because it requires skill and ingenuity, and especially because it produces objects of beauty.

I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That’s how I’ve gotten to where I am.

定义就是限制。

技术应该解决实际问题，而不仅仅是创造新玩具。