The best way to ensure peace is to maintain a balance of power among the major states.

The future of energy is diverse. No single source can meet all the world's needs. We need all energies working together.

化学是我们日常生活的无声建筑师。

数字革命比文字的发明甚至印刷术的发明更为重要。

Act as if what you do makes a difference. It does.

You can’t build a reputation on what you are going to do.