"With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how."

The greatest mistake you can make in life is to be continually fearing you will make one.

要有继续追逐梦想的勇气。

自然知识的每一次重大进步，都包含对权威的彻底拒绝。

I'm lucky to be part of a team who help to make me look good, and they deserve as much credit as I do for the trophies we've won.