Parallel
Deuteronomy 6:5
Swete's Septuagint · Berean Standard Bible
καὶ ἀγαπήσεις κύριον τὸν θεόν σου ἐξ ὅλης τῆς διανοίας σου καὶ ἐξ ὅλης τῆς ψυχῆς σου καὶ ἐξ ὅλης τῆς δυνάμεως σου.
And you shall love the LORD your God with all your heart and with all your soul and with all your strength (note: Cited in Matthew 22:37, Mark 12:30, and Luke 10:27).