法律体系的存在是一个事实问题，而不是道德问题。
The existence of a legal system is a matter of fact, not of morality.
We perceive the world in terms of its significance for action.
The best architecture is the one that doesn’t need explanation.
Life is a poem written in tears and laughter.
科学中最激动人心的短语，预示着新发现的不是“我找到了！”而是“这有点奇怪……”
He was a man who had always been too busy to live, and now he was too busy to die.
"Success is not just about making money; it's about making a difference."