What can art do?

I am finding my constant study of art produces as many unanswered questions as it resolves. My choices become vague, my opinions diluted and obscured, but my interest increases. What is this force that drives man to continue to produce, redirect and evolve, despite the many counter forces acting against quality, respect and monetary reward. I find that, although art is a challenge to define and possibly more of a challenge to create, I encourage myself and my students to continue its pursuit. Art can move me and my spirit, and can evoke depth of emotions otherwise dormant. Art, maybe, is merely the result of the response it generates.