But when the swift Pequod, with a fresh leading wind, was herself in hot chase; how very kind of these tawny philanthropists to assist in speeding her on to her own chosen pursuit,— mere riding-whips and rowels to her, that they were. As with glass under arm, Ahab to-and-fro paced the deck; in his forward turn beholding the monsters he chased, and in the after one the bloodthirsty pirates chasing him; some such fancy as the above seemed his. And when he glanced upon the green walls of the watery defile in which the ship was then sailing, and bethought him that through that gate lay the route to his vengeance, and beheld, how that through that same gate he was now both chasing and being chased to his deadly end; and not only that, but a herd of remorseless wild pirates and inhuman atheistical devils were infernally cheering him on with their curses;—when all these conceits had passed through his brain, Ahab's brow was left gaunt and ribbed, like the black sand beach after some stormy tide has been gnawing it, without being able to drag the firm thing from its place.