When he was very excited, [John Singer] Sargent would rush...

When he was very excited, [John Singer] Sargent would rush at his canvas with his brush poised for attack, yelling, 'Demons, demons, demons!' When he was particularly angry or frustrated, he expressed these feelings with 'Damn,' the only curse he allowed himself. He once had the expletive inscribed on a rubber stamp so he could have the satisfaction of pounding it on a piece of paper.