The universe is a puzzle, and chemistry is one of the keys.

The difference between a moral man and a man of honor is that the latter regrets a discreditable act even when it has worked.

天子认为对的未必对，天子认为错的未必错。

译文：勤奋能使学业更加精进，而沉迷于玩乐会导致学业荒废；德行由于独立思考而有所成就，由于因循随俗而败坏。赏析：人如果愚钝不开，只要勤奋也能补拙，但聪明的人要是玩物就会丧志，做任何事也不会成功。

I'm not a dreamer, I'm a doer.

The aim of education should be to teach us rather how to think, than what to think—rather to improve our minds, so as to enable us to think for ourselves, than to load the memory with thoughts of other men.

The future belongs to those who are willing to take risks today.