Physics is the belief that a simple and consistent description of nature is possible.
Every valuable human being must be a radical and a rebel, for what he must aim at is to make things better than they are.
Prediction is very difficult, especially if it's about the future.
If anybody says he can think about quantum physics without getting giddy, that only shows he has not understood the first thing about them.
No, no, you're not thinking; you're just being logical.
Prediction is difficult, especially the future.