The same hour was the thing fulfilled on Nebuchadnezzar: and he was driven from men, and ate grass as oxen, and his body was wet with the dew of the sky, until his hair was grown like eagles' [feathers], and his nails like birds' [claws].

Then I desired to know the truth concerning the fourth animal, which was diverse from all of them, exceedingly terrible, whose teeth were of iron, and its nails of brass; which devoured, broke in pieces, and stamped the residue with its feet;