For all these reasons then, and others perhaps too analytic to be verbally developed here, Ahab plainly saw that he must still in a good degree continue true to the natural, nominal purpose of the Pequod’s voyage; observe all customary usages; and not only that, but force himself to evince all his well known passionate interest in the general pursuit of his profession. Be all this as it may, his voice was now often heard hailing the three mast-heads and admonishing them to keep a bright look-out, and not omit reporting even a porpoise. This vigilance was not long without reward.