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.

最成功的人是那些擅长备用计划的人。

"You got to put the past behind you before you can move on." And I think that's what my running was all about.

I’m not here to be second place.