That is the outstanding answer I've ever heard.
你最大的敌人是你自己的人性——你的不耐烦、你的恐惧、你对认可的渴望。
翻译:懂得满足的人不会被利益束缚,注重内心修养的人,即便没有显赫地位也内心坦荡。
Every day may not be good, but there’s something good in every day.
Enjoy failure and learn from it. You can never learn from success.
It is one thing to show a man that he is in an error, and another to put him in possession of truth.
向一个人展示他在错误中是一回事,让他掌握真理是另一回事。