The greatest human quest is to know what one must do in order to become a human being.
人类最伟大的追求是了解自己必须做什么才能成为一个人。
"The only thing necessary for the triumph of evil is for good men to do nothing."
言语有力量，但沉默可能更有力量。
我现在确信理论物理学实际上是哲学。
Investing in farmer education yields the highest returns.
"In the end, we will remember not the words of our enemies, but the silence of our friends."