A room is not a room without natural light.

如果你没有偶尔失败，说明你还不够努力。

Physics is not just a science, it is a way of thinking about the world.

I don't let anyone take away my hope.

Twenty years from now you will be more disappointed by the things that you didn’t do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.