在数学中,提出问题的艺术必须比解决问题更有价值。
In mathematics, the art of proposing a question must be held of higher value than solving it.
The only way to do great work is to love what you do.
The best time to buy stocks is when they are out of favor.
The world is my country, all mankind are my brethren, and to do good is my religion.
你越是把自己看作老师、导师和教练,你就越有可能成功建立自己的企业。
意志不是一种特殊的能力,而是心灵的一般功能。
If a man will begin with certainties, he shall end in doubts; but if he will be content to begin with doubts, he shall end in certainties.
Whereof one cannot speak, thereof one must be silent.