如果你想成功,你必须愿意失败。
If you want to be successful, you have to be willing to fail.
I like to think of mathematics as a kind of poetry.
最大的危险,失去自我,可以在世界上非常安静地发生,仿佛它根本不是什么大事。
需求对象的残缺不全,正是幸福的必不可少的条件之一。