καὶ νῦν
From LSJ
εἰ μέντοι νόμον τελεῖτε βασιλικὸν κατὰ τὴν γραφήν, Ἀγαπήσεις τὸν πλησίον σου ὡς σεαυτόν, καλῶς ποιεῖτε → Now if you're accomplishing the King's Law according to scripture — Thou shalt love thy neighbour as thyself — you're doing the right thing (James 2:8)
English (LSJ)
A so now, Hom., mostly to confirm a general statement by an example, e. g. Il.1.109; ὡς κ. ν. Od.1.35; κ. ν. ἦ τοι 4.151.