幸福者的世界与不幸者的世界是完全不同的。

Sustainability isn't a trend; it's a responsibility we owe to future generations.

The first man who， having fenced in a piece of land， said 'This is mine，' and found people naïve enough to believe him， that man was the true founder of civil society.

唯一真正的智慧在于知道你一无所知。