For as the one ship that held them all; though it was put together of all contrasting things—oak, and maple, and pine wood; iron, and pitch, and hemp—yet all these ran into each other in the one concrete hull, which shot on its way, both balanced and directed by the long central keel; even so, all the individualities of the crew, this man’s valor, that man’s fear; guilt and guiltiness, all varieties were welded into oneness, and were all directed to that fatal goal which Ahab their one lord and keel did point to.