你唯一的限制是你给自己设定的限制。

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.

"When you are writing, you are trying to find out something which you don't know."

Government, even in its best state, is but a necessary evil; in its worst state, an intolerable one.

The artist must be a prisoner of freedom.

煤炭不是问题所在，问题在于我们如何使用它。解决方案在于更清洁的技术和更好的利用。

Music has taught me how to face challenges.