子曰：“君子怀德，小人怀土；君子怀刑，小人怀惠。”
【译文】 孔子说：“君子心怀仁德，小人心怀家乡；君子心怀法制，小人心怀实利。”
能源转型不是终点，而是一段旅程。
如果人类不能在我有生之年登陆火星，我将会非常失望。
"Literature is the art of discovering something extraordinary about ordinary people, and saying with ordinary words something extraordinary."
We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.
我不想被情绪左右。我想利用它们，享受它们，并掌控它们。
The time which we have at our disposal every day is elastic; the passions that we feel expand it, those that we inspire contract it.