You can never judge a book by its cover.

Buying tools: Start by buying the absolute cheapest tools you can find. Upgrade the ones you use a lot. If you wind up using some tool for a job， buy the very best you can afford.

我一直相信，如果你想在生活中取得任何成就，就必须为之努力。

I don't play for the records. They come naturally and the only thing that matters is that the team wins.

领导力就是解决问题。当士兵们不再向你提出问题时，就是你停止领导他们的那一天。

勇气不是没有恐惧，而是战胜恐惧。