I am always glad to think that my education was, for the most part, informal, and had its roots in the real world.
我总是很高兴地想到,我的教育大部分是非正式的,并且根植于现实世界。
要这样行动,使得你意志的准则任何时候都能同时被看作一个普遍立法的原则。
The beauty of biology lies in its complexity and the elegance of its solutions.
世界是一首伟大的歌,我们是其中的歌手。
The future of energy lies in balancing economic growth with environmental stewardship.