We are at a unique stage in our history. Never before have we had such an awareness of what we are doing to the planet, and never before have we had the power to do something about it.
宇宙不仅比我们想象的更奇怪，而且比我们能够想象的还要奇怪。
The beauty of physics lies in its ability to explain the universe with a few simple principles.
I don't let anyone steal my joy.