物理学和数学之间的界限并不像人们想象的那么清晰。

I never look back, I just look forward.

"When you're able to make people dance, you're able to make people forget about their problems for a while."

每一种真理都需要经过三个阶段：首先被嘲笑，然后被激烈反对，最后被视为自明之理。