Moses
Leviticus 26:3BSB·traditional attribution

If you follow My statutes and carefully keep My commandments,

John Calvin Reformed @genevareformer

ITS REPETITION 3. If ye walk in my statutes. We have now to deal with two remarkable passages, in which he professedly treats of the rewards which the servants of God may expect, and of the punishments which await the transgressors.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. The inculcating of those precepts of the law which were of the greatest consequence, and by which were of the greatest consequence, and by which especially their obedience would be tried, Lev 26:1, Lev 26:2. They are the abstract of the second and fourth commandments, which, as they are by much the largest in the decalogue, so they are most frequently insisted...

Commenting on Leviticus 26:1-13

John Gill Reformed Baptist @doctorgill

If ye walk in my statutes, and keep my commandments, and do them. Both moral, ceremonial, and judicial, which had been delivered unto them, and now completely recorded in this and the preceding book; for what follow in the two next are chiefly repetitions of what are contained in these. If ye walk in my statutes, and keep my commandments, and do them.