We must balance the need for energy with the need to protect the environment.

We must build a world in which there shall be no economic domination, no exploitation, no unemployment, and no war.

If you're long-term oriented, customer interests and shareholder interests are aligned.

数学研究是所有自然现象精确知识不可或缺的基础。

过去从未消逝，它甚至还未过去。