购买工具。从购买你能找到的最便宜的工具开始。升级你经常使用的工具。如果你在某项工作中最终选择使用了某种工具，就买你能负担得起的最好的。

Innovation requires both creativity and rigorous testing.

We look at the world once, in childhood. The rest is memory.

I never look back. I look forward.

I don't want to be a product of my environment. I want my environment to be a product of me.