保持饥饿,保持愚蠢。
The only time I feel alive is when I'm painting.
数学家是能在定理之间找到类比的人;更好的数学家是能在证明之间看到类比的人;而最好的数学家是能注意到理论之间类比的人。
In mathematics, the art of proposing a question must be held of higher value than solving it.