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.