一幅画首先必须关乎它自身，而不是其他东西。
A picture must be primarily about itself and not about something else.
I believe in the discipline of mastering the best that other people have ever figured out.
【讲解】：有了过错，别人都能看到；改了，人们都会敬仰他。
以宽恕自己的心宽恕别人，则交情深；以责备他人的心责备自己，则过错少。
I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.
I love the idea of a thing to describe a thing.