The beauty of mathematics only shows itself to more patient followers.
Courage is the most important of all the virtues, because without courage you can't practice any other virtue consistently.
我们都是自己记忆的人质。
青年的危机不是生物性的,而是社会和政治性的,它需要一种新的语言来理解他们斗争性质的变化。
梦想与现实之间的区别在于行动。