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.

我们都只是一群试图做出伟大事情的人。

世界不是要解决的谜题，而是要经历的神秘。

未经反思自省的人生不值得活。

我不想平凡，我想非凡。