Sustainability isn't a trend, it's our responsibility to the future.
I don’t like to be afraid. I like to be fearless.
  选择最有用的生活方式,习惯会使其变得最令人愉悦。
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.
我总是努力尊重我的对手,因为他们让我变得更好。