数算练习告诉我们算术运算的原理，而不是单单的记忆和不断演算。

我相信每一个故事都是一种真相。

The difference between good and great is attention to detail.

When you get an invitation to do something in the future， ask yourself: would you accept this if it was scheduled for tomorrow？ Not too many promises will pass that immediacy filter.

不要等待机会，去创造机会。

养儿子不教育就像养了一头蠢驴一样；养女儿不教育的话就像养了一头猪。