Language is the key to understanding higher mental processes.

I constantly see people rise in life who are not the smartest, sometimes not even the most diligent, but they are learning machines. They go to bed every night a little wiser than they were when they got up and boy does that help, particularly when you have a long run ahead of you.

The blood in the animal body is impelled in a circle, and is in a state of ceaseless motion.

我不是一个完美的人，我从来没有声称过。但我每天都在努力变得比昨天更好。

Success is the best revenge.

生活就是你梦中看到的电影。

人总是在接近幸福时倍感幸福，在幸福进行时却患得患失。

人生应为生而食，不应为食而生。