"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all."

In science, the most important discoveries often come from paying attention to the unexpected.

I had ambition not only to go farther than any man had been before, but as far as it was possible for a man to go.

The only way to do great work is to love what you do.

创作过程是混乱的。这就是为什么我的草图看起来是这样的。