学会控制情绪，才能掌控生活。

如果不能满足农民的需求，最先进的技术也毫无价值。#

If a Nation expects to be ignorant and free in a state of civilization,it expects what never was and never will be....If we are to guard against ignorance and remain free,it is the responsibility of every American to be informed."

解释：把腹心的疾病去掉，而放在大腿胳臂上，有什么益处？

人的行动是他们思想的最好诠释者。