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

The best way to predict the future is to create it.

仁义、礼仪、智慧、诚信，这些都是仁的表现。

未来は誰にもわからない。だからこそ、今を生きるべきだ。

The voice is an instrument that everyone has.

心理学的目的是解释我们如何设法生活。