The first man who， having enclosed a piece of ground， bethought himself of saying 'This is mine，' and found people simple enough to believe him， was the real founder of civil society.

心理学是科学，教学是艺术；科学永远不会直接从自身产生艺术。

当你为了美而欺骗的那一刻，你就知道自己是个艺术家。

Sustainability is not an option—it's a responsibility we owe to the next generation.