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

Success is built on persistence, not luck.

最有效的领导者是那些专注于组织长期成功的人。

I believe in the beauty of dreams and the power of faith.

The true journey is not about discovering new landscapes, but about seeing with new eyes.

信仰是生命的意义，这种感觉使人不毁灭自己，而是继续活下去。

Knowledge and human power are synonymous.

The most important thing is to be honest with yourself.