The past, like the future, is indefinite and exists only as a spectrum of possibilities.

I think track records are very important. If you start trying to have a perfect one in a simple thing like honesty, you're well on your way to success in this world.

物理定律是普遍的，但我们对它们的理解在不断演变。

The only way to do great work is to love what you do.

在科学中，重要的不是获得新的事实，而是发现思考它们的新方法。

不要弄乱我的圆！（据传是罗马士兵入侵时，阿基米德临终前的话）