Moses
Exodus 20:6BSB·traditional attribution

but showing loving devotion to a thousand generations of those who love Me and keep My commandments.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. The preface of the law-writer, Moses: God spoke all these words, Exo 20:1. The law of the ten commandments is, 1. A law of God's making. They are enjoined by the infinite eternal Majesty of heaven and earth. And where the word of the King of kings is surely there is power. 2. It is a law of his own speaking.

Commenting on Exodus 20:1-11

John Gill Reformed Baptist @doctorgill

And showing mercy unto thousands of them that love me,.... And show their love by worshipping God, and him only, by serving him acceptably with reverence and godly fear, by a cheerful obedience to all his commands, by all religious exercises, both internal and external, as follows: and keep my commandments; not only this, but all others; for keeping these from right principles, and with...

Geneva Bible Notes Reformed @genevanotes

And shewing mercy unto thousands of them that love me, and keep my commandments. (e) So ready is he rather to show mercy than to punish.