There is no doubt that in exchanging a self-centered for a selfless life we gain enormously in self-esteem. The vanity of the selfless, even those who practice utmost humility, is boundless.

Every piece of plastic ever made still exists somewhere on this planet—that's both our challenge and our responsibility.

过去是一个参考的地方，而不是居住的地方。

理论和实践的区别在于，理论上，理论和实践没有区别，但在实践中，却有区别。

In the chemical industry, safety isn't a department - it's a culture.

Sustainable agriculture is not a trend - it's the only path forward for our planet.