Of course, the liar often imagines that he does no harm as long as his lies go undetected. - Sam Harris

Aesthetic experiences are still, more than likely, internal excitations of the brain, as we see from the fact that ingesting recreational drugs can bring on even more intense experiences of transcendence. And the particular triggers for natural aesthetic experiences are readily explicable from the evolutionary pressures that have shaped the perceptual systems of human beings

So to make a little quibble of my own, I think the essence of what we want in science are not justified beliefs but good explanations.

The moral truth here is obvious: anyone who feels that the interests of a blastocyst just might supersede the interests of a child with a spinal cord injury has had his moral sense blinded by religious metaphysics.