所有生而为人者都需要教育，因为他们注定要成为真正的人，而非野兽、愚钝的动物或木头。
The coal industry must evolve to meet modern environmental standards, or it will become obsolete.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
你注定成为的那个人，就是你决定成为的那个人。
We die containing a richness of lovers and tribes, tastes we have swallowed, bodies we have plunged into and swum up as if rivers of wisdom, characters we have climbed into as if trees, fears we have hidden in as if caves.
Life has no meaning a priori. It is up to you to give it a meaning.
夏天的飞鸟，飞到我窗前唱歌，又飞去了。秋天的黄叶，他们没有什麽可唱的，只是叹息一声，飞落在那里。
The beauty of physics lies in its ability to reveal the profound simplicity underlying the apparent complexity of the universe.