"… A friend once confessed to me that he was always profoundly unhappy at sea during long voyages, and the reason was that his sustaining belief in a superintending Power and in immortality left him when he was on that waste of waters, which have no human associations. The feeling, so intense in his case, is known to most if not all of us; but we feel it faintly as a disquieting element in nature of which we may be but vaguely conscious."