质量是免费的。它不是礼物，但它是免费的。花钱的是那些不质量的东西——所有那些没有第一次就把工作做好的行为。

A person may cause evil to others not only by his actions but by his inaction， and in either case， he is justly accountable to them for the injury.

The people in my stories are not heroes or villains. They are just people trying to get through life.

There are no dull subjects. There are only dull writers.

幸福不仅仅是悲伤的缺席；它是意义的在场。

在科学中，就像在生活中一样，重要的事情很少是简单或显而易见的。

快乐的情感是来源于与不好的事的对比，而快乐本身并没有任何意义。

解决复杂问题的关键在于将它们分解成更简单的问题。

宇宙不仅比我们想象的更奇怪，它比我们能够想象的还要奇怪。

I profess both to learn and to teach anatomy, not from books but from dissections.