ὁ γὰρ μανθάνων κιθαρίζειν κιθαρίζων μανθάνει κιθαρίζειν → he who is learning the harp, learns the harp by harping
P. and V. σοφός, P. φιλόσοφος, Ar. and P. πολυμαθής.
learned in: P. and V. ἐπιστήμων (gen.), ἔμπειρος (gen.).
learned man, subs.: P. and V. σοφιστής, ὁ.