世界上充满了故事，但重要的是那些改变我们的故事。

The key to success is to get out into the store and listen to what the associates have to say. It's terribly important for everyone to get involved. Our best ideas come from clerks and stockboys.

The only way to learn mathematics is to do mathematics.

I always try to buy stocks that are undervalued and sell them when they become overvalued.

我写作是为了理解我所想的。