物理学的美丽在于它能够用一些基本原理来描述宇宙。

Society can and does execute its own mandates， and if it issues wrong mandates instead of right， or any mandates at all in things with which it ought not to meddle， it practices a social tyranny more formidable than many kinds of political oppression， since， though not usually upheld by such extreme penalties， it leaves fewer means of escape， penetrating much more deeply into the details of life， and enslaving the soul itself.

Innovation requires breaking conventional thinking.

当没有人相信你的时候，你必须相信自己。

We must balance the need for energy today with the imperative of protecting the planet for tomorrow.