“Danny isn’t interested in preaching, prosecuting, or politicking. He’s a scientist devoted to the truth. When I asked him how he stays in that mode, he said he refuses to let his beliefs become part of his identity. “I change my mind at a speed that drives my collaborators crazy,” he explained. “My attachment to my ideas is provisional. There’s no unconditional love for them.” Attachment. That’s what keeps us from recognizing when our opinions are off the mark and rethinking them.”