To be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others.

The only man who behaves sensibly is my tailor; he takes my measure anew every time he sees me, while all the rest go on with their old measurements.

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

The circular economy isn’t just an ideal—it’s the only viable path forward.

我们称可见光为什么？我们称之为颜色。但颜色只是我们给光碰到某物时的行为方式起的名字。