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The eye that mocketh at his father - This seems to be spoken against those who curse their father, and do not bless their mother, Proverbs 30:11.

The ravens of the valley - Those which frequent the places where dead carcasses and offal are most likely to be found. The raven, the crow, the rook, the daw, the carrion crow, and the Cornish chough, appear to be all of the same genus. Some of them live on pulse and insects; others, the raven in particular, live on carrion.

The young eagles shall eat it - The mother eagle shall scoop out such an eye, and carry it to the nest to feed her young. Many of the disobedient to parents have come to an untimely end, and, in the field of battle, where many a profligate has fallen, and upon gibbets, have actually become the prey of ravenous birds.

Cruelty and covetousness are two daughters of the horseleech, that still cry, "Give, give," and they are continually uneasy to themselves. Four things never are satisfied, to which these devourers are compared. Those are never rich that are always coveting. And many who have come to a bad end, have owned that their wicked courses began by despising their parents' authority.