Beautiful Art is an art, in so far as it seems like nature

In a product of beautiful art we must become conscious that it is Art and not Nature; but yet the purposiveness in its form must seem to be as free from all constraint of arbitrary rules as if it were a product of mere nature. On this feeling of freedom in the play of our cognitive faculties, which must at the same time be purposive, rests that pleasure which alone is universally communicable, without being based on concepts. Nature is beautiful because it looks like Art; and Art can only be called beautiful if we are conscious of it as Art while yet it looks like Nature.

For whether we are dealing with natural or with artificial beauty we can say generally: That is beautiful which pleases in the mere act of judging it