{Why, herein is the marvel} (en tout(9369) gar to thaumaston
estin). This use of gar (ge + ara, accordingly indeed) to
bring out an affirmation from the previous words is common
enough. "Why in this very point is the wonder" (	haumaston, old
verbal adjective from 	haumaz(935c) as in  Mt 21:42 ). The man is
angry now and quick in his insight and reply. You confess your
ignorance of whence he is, ye who know everything, "and yet
(adversative use of kai again) he opened my eyes" (kai (886e)oixen
mou tous ophthalmous). That stubborn fact stands.