Quality is never an accident; it's the result of intelligent effort and relentless focus.

词语曾是我的祖国，而我被剥夺了它。

The future of energy lies in balancing economic growth with environmental stewardship.

未来属于那些相信自己梦想之美的人。

勇气并不总是咆哮。有时候，勇气是一天结束时那个轻声说"明天我再试一次"的声音。

Women in science should never doubt their ability to change the world.

Maybe if we knew what other people were thinking we'd know that no one’s ordinary.And we all deserve a standing ovation at least once in our lives.