I don’t let other people define who I am.
The only thing we have to fear is fear itself.
我们地球的过去历史必须通过现在可以看到的现象来解释。
做出伟大工作的唯一途径是热爱你所做的事。
Inflation is a very bold idea, but it seems to be the only way to explain the observed features of the universe.