经济学是对人类日常生活事务的研究。

Never stop learning, because the world never stops changing.

We leave behind something of ourselves wherever we have been.

The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil and no good, nothing but blind, pitiless indifference.

The goal of mathematics is to make the simple complicated, and the complicated simple.

最有力的艺术往往源于最简单的想法。

长城汽车的目标是成为全球SUV领导者。