I'm surprised when the work appears beautiful, and very pleased. And I think work can be very good and very successful without being able to call it beautiful, although I'm not clear about that. The work is good when it has a certain completeness; and when it's got a certain completeness, then it's beautiful.
Bruce NaumanAnd the part about being a professional artist is that you can tell, and you can do it over again, even if you can't say how you got there exactly.
Bruce Nauman