I don't sing because I'm happy. I'm happy because I sing.
夜晚是一座伟大的城市,但星星是它的灯光。
过去从未死去,它甚至还没有过去。
We are all haunted by something, whether we admit it or not.
The greatest threat to our planet is the belief that someone else will save it.
The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.