The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.

There is no such thing as society: there are individual men and women, and there are families.

Psychology must be grounded in the reality of the organism's struggle to exist.

跨行业合作是释放资源开采新机遇的关键。

Coal has been the backbone of industrial progress, but its future must balance economic needs with environmental responsibility.

Success is not the result of spontaneous combustion. You must set yourself on fire.