我们的生命有限，而知识却是无限。以有限的生命去追求无限的知识，就会精疲力尽；既然如此还去追求知识，那就只剩疲困了。做好事不贪图名利，不做不好的事触犯法律，把顺着自然规律作为常法，就可以保护自身，保全天性，养护精神，安享天年。
The real power of art lies in its ability to question power itself.
在数学中，你不理解事物。你只是习惯了它们。
"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. And that, of course, causes great confusion."