The world is not run from where he thinks. Not from castle walls, but from countinghouses, not by the call of the bugle but by the click of the abacus, not by the grate and click of the broadsword but by the scrape of the pen.

Psychology is a science, and teaching is an art; and sciences never generate arts directly out of themselves.

你知道，有些鸟儿是注定不会被关在牢笼里的，它们的每一片羽毛都闪耀着自由的光辉。

译文：用心算计别人时，自己就会出错，退一步考虑事情，任何事就会变得宽广。赏析：处处算计别人，时刻都想占便宜，总有一天自己会被别人算计。心胸开阔，放低姿态，忍一时风平浪静，退一步海阔天空。

激励是一种艺术，是让人们去做你想让他们做的事，因为他们自己也想去做。

太阳是宇宙的灵魂，地球是它的躯体。