卒未亲附而罚之，则不服，不服则难用也；卒己亲附而罚不行，则不可用也。
翻译：如果士卒还未真心拥护就施加刑罚，他们就不服，不服就难以使用；如果士卒已经真心拥护了还不施加刑罚，也不可用。
"You can't stop the future, you can't rewind the past, the only way to learn the secret is to press play."
Mathematics is not a spectator sport.
The mind is not a vessel to be filled, but a fire to be kindled.
"The act of reading is an act of rebellion in a world that wants you to do anything but."
对于你所拥有的，要心存感激，这样你就会拥有更多。对于你所没有的，如果念念不忘，你永远都不会满足。
The end of life is happiness， and happiness is tranquility.