" innovators need to be disagreeable. By disagreeable, I don’t mean obnoxious or unpleasant. I mean that on that fifth dimension of the Big Five personality inventory, “agreeableness,” they tend to be on the far end of the continuum. They are people willing to take social risks—to do things that others might disapprove of. "

― Malcolm Gladwell , David and Goliath: Underdogs, Misfits, and the Art of Battling Giants