The best way to learn mathematics is to do mathematics.

"The power of words can change the world, one reader at a time."

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.

Awaken the soul through education.

世界是一块画布，我们每个人都是自己方式的艺术家。

我不完美，我也不假装完美。

最深刻的技术是那些消失的技术。它们将自己编织到日常生活的结构中，直到与之无法区分。