Principles vs. Greed (Painting #6 of 10) George Mullen, Principles vs. Greed, 2016, barbwire and oil on canvas, 30 x 48 inches. Copyright © 2016 George Mullen. All rights reserved. Principles vs. Greed (Painting #6 of 10) George Mullen, Principles vs. Greed, 2016, barbwire and oil on canvas, 30 x 48 inches. Copyright © 2016 George Mullen. All rights reserved.