If a listener nods his head when you're explaining your program, wake him up.

对意识的研究必须摆脱一切形而上学的影响。

Science is a force for good, but only if we use it wisely.

A book should feel like a friend to a child—comforting, exciting, and full of surprises.

A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us.

"If you don't stand for something, you'll fall for anything."

物理学不仅仅是解决问题，它是关于理解现实的本质。