Success? I don't know what that word means. I'm happy. But success, that goes back to what in somebody's eyes success means. For me, success is inner peace. That's a good day for me.

The preservation of the means of knowledge among the lowest ranks is of more importance to the public than all the property of all the rich men in the country.

你的大脑是你最重要的资产，照顾好它。

荒野是一个充满教训的地方。要生存，你必须从中学习。

艺术的恐怖之处在于你不知道它会把你带向何方。

数学思想的美丽之处在于它可以跨越文化和时间被分享和理解。