Rudolf Arnheim said this quote

Nothing is more humbling than to look with a strong magnifying glass at an insect so tiny that the naked eye sees only the barest speck and to discover that nevertheless it is sculpted and articulated and striped with the same care and imagination as a zebra. Apparently it does not occur to nature whether or not a creature is within our range of vision, and the suspicion arises that even the zebra was not designed for our benefit.

~ Rudolf Arnheim

What is so 'only' about 'yourself'? Is not the first thing one has to learn in this respect that to do something for yourself--I mean, the right kind of thing--is just as valuable and ethical than to do it for somebody else? Wouldn't you say that the good feeling we get simply because we did 'it' (whatever) for somebody else is cheating, in that it postpones the question: what is it good for?

~ Rudolf Arnheim