What is art?

"...Selling a picture is like sending a blind child into a room full of razor blades. It's going to get hurt and it's never been hurt before, it doesn't know what hurt it is... That's why I'm looking to do something different with these ones. They're less vulnerable somehow...They're not alone. They're a series, they'll have each other for companionship and protection..."

-Rothko in John Logan's "Red", pg 37