… when he becomes president, he realizes that he’s going to have to rethink his assumptions. You know, he says in his great message to Congress in December 1862, “We must disenthrall ourselves.” Unchain ourselves literally and from our old ideas. And the “we.” We. He includes himself as part of that “we.” “We’ve got to slough off our own assumptions and think anew,” he says. And so it’s that strong moral compass but willingness to listen to criticism and think anew that I think is the characteristic that leads him into greatness.