你唯一的限制是你给自己设定的那些。
The only limits you have are the ones you set for yourself.
If you're not failing occasionally, you're not pushing hard enough.
"A good picture book is like a good joke - it needs perfect timing."
你无法管理你无法衡量的事物。
做善事容易,做了善事而逃避好名声就难了;不触犯他人容易,触犯了他人心里不计较就难了。为人处世,遇到有人对我蛮横无理,就要像走在灌木草丛中一样,荆棘挂住了衣服,只能缓慢前行小心地拨开荆棘就是了,荆棘也不是存心阻人啊!这样一来便能做到心中不劳累,而化解仇怨。
强大但是骄傲就会削弱力量,弱小而骄傲只会加速灭亡。
质量不是一次行为,而是我们必须每天培养的习惯。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.