Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers.

The iron rule of nature is: you get what you reward for. If you want ants to come, you put sugar on the floor.

分子的语言是通用的，而我们才刚刚学会说它。

在商业中，如果你不前进，你就在落后。

一切是，同时又不是。

The more you love yourself, the more you can love others.

In science, we must be open to the possibility that our most cherished theories could be wrong.