We live in an age of instant knowledge. And there's almost a sense of entitlement to that.
Artists need some kind of stimulating experience a lot of times, which crystallizes when you sing about it or paint it or sculpt it. You literally mold the experience the way you want. It's therapy.
Preaching is to much avail, but practice is far more effective. A godly life is the strongest argument you can offer the skeptic.