Wherefore be ye not unwise, but understanding what the will of the Lord [is].
Berean Study Bible (BSB) - Ephesians 5:17 >Therefore do not be foolish, but understand what the Lord’s will is.
Textus Receptus (TR) - Ephesians 5:17 >Διὰ τοῦτο μὴ γίνεσθε ἄφρονες, ἀλλὰ συνιέντες τί τὸ θέλημα τοῦ Κυρίου.