"Memory is a strange thing. It doesn't work like I thought it did. We are so used to thinking of it as a camera or a tape recorder, but it's not like that at all. It's more like a painter. It creates a picture, but it's not always the same picture."
The best way to be happy is to be grateful.
你无法改变过去,但你可以塑造未来。
At the close of our studies, we knew all the past of physics, but nothing of the present and the future.