But did you deeply scan him in his more secret confidential hours when he thought no glance but one was on him; then you would have seen that even as Ahab's eyes so awed the crew's, the inscrutable Parsee's glance awed his; or somehow, at least, in some wild way, at times affected it. Such an added, gliding strangeness began to invest the thin Fedallah now; such ceaseless shudderings shook him; that the men looked dubious at him; half uncertain, as it seemed, whether indeed he were a mortal substance, or else a tremulous shadow cast upon the deck by some unseen being's body. And that shadow was always hovering there. For not by night, even, had Fedallah ever certainly been known to slumber, or go below. He would stand still for hours: but never sat or leaned; his wan but wondrous eyes did plainly say — We two watchmen never rest.
Nor, at any time, by night or day could the mariners now step upon the deck, unless Ahab was before them; either standing in his pivot-hole, or exactly pacing the planks between two undeviating limits, — the main-mast and the mizen; or else they saw him standing in the cabin-scuttle, — his living foot advanced upon the deck, as if to step; his hat slouched heavily over his eyes; so that however motionless he stood, however the days and nights were added on, that he had not swung in his hammock; yet hidden beneath that slouching hat, they could never tell unerringly whether, for all this, his eyes were really closed at times; or whether he was still intently scanning them;