问题的解决不是机械地应用过去的经验，而是通过重构情境来实现。

光波，无论是以太波还是其他波，在所有情况下都是时间上的周期性过程。

Safest way to get what you want is to deserve what you want.

Children have real understanding only of that which they invent themselves, and each time that we try to teach them something too quickly, we keep them from reinventing it themselves.

质数就是当你把所有模式都去掉后剩下的东西。我认为质数就像生活。它们非常合乎逻辑，但你永远无法弄清楚规则，即使你花所有时间思考它们。

I love people who make me laugh. I honestly think it's the thing I like most, to laugh. It cures a multitude of ills. It's probably the most important thing in a person.

I don't think you can ever stop learning. There's always something new to discover.