If beauty is in the eye of the beholder, and we decide what we think. Then why can't we make everything appear to be beautiful?

Even if beauty itself is is not in the eye of the beholder, the appearance of beauty is. But we don't always decide what we think. For example, you can't come to believe something just because I ask you to, even if you want to please me. Similarly, you can't decide what you will like and what you will hate. And the same goes for the appearance of beauty. If something appears ugly to you, you can't just decide to make it appear beautiful, even if you know you would be happier if you could. Some parts of our mental life are under our direct and conscious control; but lots of them are not.

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