——〈临时大总统誓词〉，1912年1月1日

叶公问子路：孔子是怎样的人，子路不回答。孔子说：“你怎么不说：他这个人啊，发愤学习就忘记吃饭，高兴起来就忘记了忧愁，不知道快要变老了等等？”

Rent is that portion of the produce of the earth which is paid to the landlord for the use of the original and indestructible powers of the soil.

"The study of randomness in computation has led to some of the most profound insights in computer science."

There is no way you can live an adequate life without making mistakes.

"It takes ten times as long to put yourself back together as it does to fall apart."

The future of manufacturing lies in circular economies—waste is just a resource in the wrong place.