Of whom the world was not worthy (wn ouk hn axio o kosmo) Graphic picture in a short parenthetical relative clause (wn, genitive plural with axio), a phrase to stir the blood of the readers. Wandering (planwmenoi). Present middle participle of planaw, like lost sheep, hunted by wolves. Caves (sphlaioi). Old word from speo (cavern) as in Matthew 21:13 . Holes (opai). Old word, perhaps from op (root of oraw, to see), opening, in N.T. only here and James 3:11 . Cf. 1 Kings 18:4 ; II Macc. 5:27; 10:6 (about Judas Maccabeus and others).