Καὶ τῶν λεγόντων εὖ καλὸν τὸ μανθάνειν → It is a fine thing to learn from those who speak well
cognoscenter: adv., v. cognosco, P. a. 1.
cognōscentĕr, (cognoscens), clairement, distinctement : Tert. Marc. 4, 22.