The hand remembers what the mind forgets.

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.

In the quest for understanding, failure is not the opposite of success; it is a stepping stone to it.

最好的领导者是那些赋予团队自主权并推动变革的人。

I don’t fear losing. I fear not giving my best.