Parallel
Deuteronomy 6:5
Rahlfs Septuagint (1935) · Berean Standard Bible
καὶ ἀγαπήσεις κύριον τὸν θεόν σου ἐξ ὅλης τῆς καρδίας σου καὶ ἐξ ὅλης τῆς ψυχῆς σου καὶ ἐξ ὅλης τῆς δυνάμεώς 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).