It is not so for art in appreciation because art is concerned with human behavior. And science is concerned with the behavior of metal or energy. It depends on what the fashion is. Now today it's energy. It's the same soul behind it. The same soul, you see.
“If your mind is at work, we're in danger of reproducing another cliche. If we can keep our minds out of it and our thoughts out of it, maybe we'll come up with something original.”