ὁ δὲ πείσεται εἰς ἀγαθόν περ → he will obey you to his profit, he will obey you for his own good end
de manera infantil
βρεφωδῶς: ἐπίρρ., ὡς βρέφος, Ὠριγ. 3, 476c (Migne).