笑，全世界便与你同声笑，哭，你便独自哭。
Laugh, and the world laughs with you; weep, and you weep alone.
数学的本质不仅在于解决问题，还在于提出正确的问题。
可持续性不是一个流行词，而是矿业前进的唯一道路。
People are capable, at any time in their lives, of doing what they dream of.
Don't interfere with anything in the Constitution. That must be maintained, for it is the only safeguard of our liberties. And not to Democrats alone do I make this appeal, but to all who love these great and true principles.