What is learned is not movements but meanings.

Age is just a number. I’ve never let it define what I can or cannot do.

It is error only, and not truth, that shrinks from inquiry.

小规模养殖户是这个行业的支柱，他们的知识是无价的。

让儿童参与工作，能增强他们对生活环境的责任感。

The difference between stupid and intelligent people—and this is true whether or not they are well-educated—is that intelligent people can handle subtlety.

Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.