概率是基于部分知识的预期。

Chemistry is not just a science; it’s a way of seeing the world.

The self is not so much a substance as a process, and it is the continual task of education to change the process, to develop its activities, and to guide it into channels of efficiency.

那些不会杀死我们的事情会让我们更强大。

水和空气，所有生命赖以生存的两种基本流体，已经变成了全球的垃圾箱。