The greatest happiness for the laborer consists in having an abundant supply of the necessaries of life.

The study of psychology is the study of life's problem-solving mechanisms.

The goal of education is not to increase the amount of knowledge but to create the possibilities for a child to invent and discover, to create men who are capable of doing new things.

成功经济发展的关键是遵循比较优势并利用后发优势。

你不能只做一次有效的事情，你周围的一切都在不断变化。要成功，就要走在变化的前面。