Failure gave me an inner security that I had never attained by passing examinations. Failure taught me things about myself that I could have learned no other way. I discovered that I had a strong will, and more discipline than I had suspected; I also found out that I had friends whose value was truly above the price of rubies.

没有野生动物的森林就像没有音乐的交响乐。

循环经济原则不是可选的，它们对生存至关重要。

处于困境中的人往往只关注自己的问题，而解决问题的途径通常在于你如何解决别人的问题。

倘若我们必须在我们为孩子布置的环境里生活一天，我相信那一定会是一个非常痛苦的经历。