疼痛研究不仅仅是缓解痛苦；它关乎理解人类生物学的一个基本方面。

"I write for kids because I was a kid who needed books."

"The past is a foreign country; they do things differently there."

All things are possible until they are proved impossible and even the impossible may only be so, as of now.

We are all afraid—for our confidence, for the future, for the world.

"There is no such thing as a new idea. It is impossible. We simply take a lot of old ideas and put them into a sort of mental kaleidoscope. We give them a turn and they make new and curious combinations."

真相并不总是在事实中找到，而是在它们之间的空间中。