Failure is nature's plan to prepare you for great responsibilities.

Everyone you will ever meet knows something you don't.

Here is the rule to remember in the future, When anything tempts you to be bitter: not, 'This is a misfortune' but 'To bear this worthily is good fortune.'

Time travel used to be thought of as just science fiction, but Einstein's general theory of relativity allows for the possibility that we could warp space-time so much that you could go off in a rocket and return before you set out.

The best writing is not about the writer, the best writing is absolutely not about the writer, it's about us, it's about the reader.

I’m no genius, but I’m smart in spots, and I stay around those spots.