Making art is not selfish； it’s for the rest of us. If you don’t do your thing， you are cheating us.
创作永不是自私的，这是为其他人服务的。一个人若不进行应由他带给世界的创作，那就是在混日子。
Change is hardest in the beginning, messiest in the middle, and best at the end.
"The true journey of discovery consists not in seeking new landscapes, but in having new eyes."
The most profound ideas in mathematics often arise from the simplest observations.
Judge oneself than to judge others more difficult. If you successfully trial right himself, then you are really a wise.