The most important thing about a theory is that it explains the facts.

真正的可持续性在于将人类的欲望与地球的节奏对齐。

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.

不追忆过去，不忧虑未来，也不贪恋现在。

译文：不装聋作哑、不装傻充愣，就当不了别人的公公、婆婆。