What information consumes is rather obvious: it consumes the attention of its recipients. Hence a wealth of information creates a poverty of attention.

The Internet is the most important single development in the history of human communication since the invention of the printing press.

The best way to learn mathematics is to do mathematics.

永远不要为了速度而牺牲质量。

领导是一种孤独的工作。如果你不能承受孤独，那么你就不适合领导。

数学之美在于它能够揭示看似复杂事物背后的简单性。

——回答兄长孙眉，1884年

Think of all the psychic energy expended in seeking a fundamental distinction between "algorithm" and "program".

你必须愿意失败，愿意犯错，愿意带着学到的教训重新开始。