The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.

我们今天种植的每一棵树都是对明天清洁空气、稳定气候和繁荣生态系统的投资。

Ingersoll's story of the man that went down from heaven on a reduced-rate excursion ticket good for 30 days --- and tried to sell his return ticket.

解释：了解古代不了解现在，称为愚昧无知，那么儒生就只能称作愚昧无知的人了。

Success isn't about being the biggest; it's about making the biggest positive impact.

世界上只有一种真正的英雄主义，那就是认清生活的真相后依然热爱生活。

译文：每个人的善、恶程度不同，本性与外表也是不一致的。有的人外貌温良却行为奸诈，有的人前恭谦却心怀狡诈，有的人看上去很勇敢而实际上却很怯懦，有的人似乎已竭尽全力但实际上却不忠诚。

The most powerful art often emerges from the simplest ideas.