聪明人说话，是因为有些话要说；蠢人说话，则因为要说些话。

We must listen to the science and act with urgency to address global energy challenges.

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 challenge is an opportunity to learn and grow.

最好的公司不仅仅是销售产品，它们还激发变革。