> Than to put character in him. No one
> Has ever found a way to make a fool
> Wise or a bad man good. If god had taught
> This to the children of Asclepius—
> How to cure badness or a muddled brain—
> What handsome fees they'd earn!"
That was Theogenis from the 6th century BC. I don’t think we’re any closer today than they were back then.