宁有求全之毁，不可有过情之誉。
宁可有求全责备之非议，也不要有不符实情之誉。
数学中最激动人心的时刻是当你意识到两个看似不相关的领域有着深刻的联系时。
The only way to discover the limits of the possible is to go beyond them into the impossible.
The most powerful art is often the simplest.
Everywhere there is a large commission, there is a high probability of a rip-off.