数学中的每个问题都是一个等待解决的谜题，而乐趣就在于解决的过程。

Bidders in an auction are like players in a game—the rules shape their strategies.

The law, in its majestic equality, forbids the rich as well as the poor to sleep under bridges, to beg in the streets, and to steal bread.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

Innovation is not just about technology, but about creating value for customers.

迷恋歌舞女色的心太浓重了，就会生出虚怯的毛病来；追求钱财利益的心太浓重了，就会生出贪得无厌的毛病来；热衷功名成就的心太浓重了，就会生出造作的毛病来；追求声誉名望的心太浓重了，就会生出言行偏激的毛病来。