The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

You can always juice sales by going down-market, but it's hard to go back upmarket.

谨慎坚定善良的本性，则心灵安定；收敛抑制浮燥之气，则心气平和。

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。

商业的成功来自于理解人，而不仅仅是市场。