数学不是沿着一条清理得很好的高速公路小心行进，而是进入一个陌生的荒野的旅程，探险者常常会迷路。

I don’t really have studios. I wander around around people’s attics, out in fields, in cellars, anyplace I find that invites me.

The moment of betrayal is the worst, the moment when you know beyond any doubt that you've been betrayed: that moment when you're glad to die.

If you're not doing anything wrong, you have nothing to hide.

A good programmer is someone who always looks both ways before crossing a one-way street.

效率是把事情做对，而效能是做对的事情。