Is There a Unified Theory of Beauty?

In a short interview with nature, you mentioned that beauty can be objective, but can also be subjective. So I think what you're saying is it's possible for one to learn to appreciate something after not appreciating it. Are you saying there would be a unified theory of beauty across all arts? Well, we know so little about this that it's hard to hard to guess what future knowledge about this kind of thing will look like. Even when we have such a theory, even when we are much closer to the truth about these things, it will not give us a way to create art by turning the handle on some art machine. It will be a way of understanding what art is and