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.

Truth never fears debate.

逝者从未远离我们，他们在我们心中，在我们脑海里，永远如此。

The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.

信任是任何成功商业关系的基础。