Moses
Deuteronomy 7:11ESV·traditional attribution

You shall therefore be careful to do the commandment and the statutes and the rules that I command you today.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. A very strict caution against all friendship and fellowship with idols and idolaters. Those that are taken into communion with God must have no communication with the unfruitful works of darkness. These things they are charged about for the preventing of this snare now before them. 1. They must show them no mercy, Deu 7:1, Deu 7:2.

Commenting on Deuteronomy 7:1-11

John Gill Reformed Baptist @doctorgill

Thou shalt therefore keep the commandments, and the statutes, and the judgments,.... The laws, moral, ceremonial, and judicial, urged thereunto both by promises and threatenings, in hopes of reward, and through fear of punishment: which I command thee this day, to do them; in the name of the Lord, and by his authority; by virtue of which he made a new declaration of them to...

Jamieson-Fausset-Brown Reformed @jfbcommentary

Thou shalt therefore keep the commandments, and the statutes, and the judgments, which I command thee this day--In the covenant into which God entered with Israel, He promised to bestow upon them a variety of blessings so long as they continued obedient to Him as their heavenly King.