The theory of probabilities is at bottom nothing but common sense reduced to calculus.

我是一个非常积极的思想者，我认为这是我在困难时刻最能帮助我的东西。

The key to solving complex problems is often to find the right abstraction that simplifies the problem without losing its essential features.

The only phrase I've ever disliked is, 'Why, we've always done it that way.' I always tell young people, 'Go ahead and do it. You can always apologize later.'

I love to practice. When I'm not playing, I'm practicing.