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.

Sustainability isn't a trend—it's the future of responsible business.

地理学的研究是对地球作为人类居住地的研究。

你自己，就像整个宇宙中的任何人一样，值得你的爱和关怀。