天行有常，不为尧存，不为桀亡。应之以治则吉，应之以乱则凶。
宇宙、天地，有它自然的运行规律，是持久不变的，不会以人的意志为转移，它既不会因为有像尧那样的仁德君主而存在，也不会因为有像夏桀那样残暴的君主而消失。顺应自然规律来治理国家，就会获得吉祥；如果违背自然规律，就会招来灾难。
如果战斗不可避免，先发制人。
在拥有数据之前进行理论化是一个重大错误。
I think music is the most powerful thing in the world because it can make you feel things that words can't.
What is success? I think it is a mixture of having a flair for the thing that you are doing; knowing that it is not enough, that you have got to have hard work and a certain sense of purpose.
One foul sentence does more hurt than many foul examples. For these do but corrupt the stream；the other corrupt the fountain.
It is remarkable how much long-term advantage people like us have gotten by trying to be consistently not stupid, instead of trying to be intelligent.
Scientific progress must be guided by a moral compass.