每起谋杀都会留下两个受害者：死者和凶手。
种树的最佳时间是20年前，次佳时间是现在。
A leader's job is not to do the work for others, but to help others figure out how to do it themselves.
我爱上了你，我不想否认自己说出真实事物的简单快乐。
It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.
与其抱怨黑暗，不如点亮一支蜡烛。
"The goal of mathematics is to understand the universe."