自信是关键，但你必须用实力来支撑它。

数学的目标是使简单的复杂化，使复杂的简单化。

When stocks are attractive, you buy them. Sure, they can go lower. I've bought stocks at $12 that went to $2, but then they later went to $30. You just don't know when you can catch the bottom.

改变是生活的本质。愿意放弃现在的你，才能成为可能的你。

一个人的幼儿时期，其实就是一种不断习得能力的过程，这个周期性的刺激，将带给儿童无限的欢乐和乐趣。