解決數(shù)學問題的喜悅是無與倫比的；這是純粹的智力勝利的時刻。
The joy of solving a mathematical problem is unparalleled; it is a moment of pure intellectual triumph.
Everyone wants a better life: very few of us want to be better people.
佛教中有一句話：初學者的心態(tài)。擁有初學者的心態(tài)是件了不起的事情。
美德不在于避免惡習，而在于不渴望它。
I didn't know what the hell I was doing, but I knew if I didn't finish the film, I would never get another chance.
愛在知識的盡頭開始。
——《在滬舉辦茶話會上的演說》（1916年7月17日）
最大的風險是不冒任何風險。在快速變化的世界里，唯一注定失敗的策略就是不冒險。