The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.
The Hebrews have done more to civilize men than any other nation.
The future of coal is not just about extraction, but about how we integrate it responsibly into a changing energy landscape.
政治制度的力量在于其适应变化环境的能力。
Curiosity and persistence are the driving forces behind scientific breakthroughs.