Sight has indeed proved to be a source of supreme benefit to us, in that none of our present statements about the universe could ever have been made if we had never seen any sun, stars or heaven. … I’m quite prepared to declare philosophy to be the supreme good our eyesight offers us. Why then should we exalt all the lesser good things, which a non-philosopher struck blind would lament and bewail in vain?
That is a blind man’s question (Why do we spend so much time with the beautiful)
Aristotle (via Diogenes Laertius)
Had our perceptions no connexions with our pleasures, we should soon close our eyes on this world