The only real prison is fear, and the only real freedom is freedom from fear.

如果每个人都诚实，那么诚实是很自然的。

我们每一个发现都使我们离理解宇宙的基本法则更近一步。

Collaboration is key in scientific discovery; no one can do it alone.

The more acute the experience, the less articulate its expression.

The only limits are the ones you set for yourself.