The richness I achieve comes from Nature, the source of my inspiration.

经济学中最重要的是理解个人和企业的行为。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

社会主义不是一个可以由政党或政府建立的现成制度。社会主义必须由群众、由每一个无产者来创造。

Never stop learning, because the world never stops changing.

真实与想象一样是被想象出来的。