Moses
Deuteronomy 6:10BSB·traditional attribution

And when the LORD your God brings you into the land He swore to your fathers, to Abraham, Isaac, and Jacob, that He would give you—a land with great and splendid cities that you did not build,

John Calvin Reformed @genevareformer

10. And it shall be, when the Lord thy God. Since wealth and prosperity for the most part blind men’s minds, so that they do not sufficiently attend to modesty and moderation, but rather grow wanton in their lusts, and intoxicate themselves with pleasures, God prescribes against this error by anticipation.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. A brief summary of religion, containing the first principles of faith and obedience, Deu 6:4, Deu 6:5. These two verses the Jews reckon one of the choicest portions of scripture: they write it in their phylacteries, and think themselves not only obliged to say it at least twice every day, but very happy in being so obliged, having this saying among them...

Commenting on Deuteronomy 6:4-16

John Gill Reformed Baptist @doctorgill

And it shall be, when the Lord thy God shall have brought thee into the land,.... The land of Canaan, on the borders of which they now were, and were just going into: which he sware unto thy fathers, to Abraham, to Isaac, and to Jacob, to give thee; of his own free favour and good will, without any merit and desert of theirs, and...