When you are young, you think that the world is a place where you can live as you choose. But as you get older, you realize that the world is a place where you have to live as you must.
数学的力量在于它简化复杂事物的能力。
There is no doubt that in exchanging a self-centered for a selfless life we gain enormously in self-esteem. The vanity of the selfless, even those who practice utmost humility, is boundless.
去上学的是整个孩子，而不仅仅是他的智力。
风险控制是银行的生命线。