"The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter."

The advancement of mathematics is through the continuous questioning of established truths.

如果说我看得比别人更远些，那是因为我站在巨人的肩膀上。

你后半生的深刻个人材料就是你的童年。

我不是天才，我只是一个努力工作的人。