Unto thousands, to wit, of their generations, i.e. for ever; whereas his punishment extended only to three or four of them: so far is God's mercy exalted above his justice. Compare Psalms 103:17. Them that love me, and keep my commandments: this conjunction is very observable, both against those that falsely and foolishly pretend or insinuate that the inward affection of love to God is not absolutely and always necessary to salvation; and also against them who, pretending inward love to God, live in the customary breach of God's known commands.
Related Commentaries of Exodus 20:6
Exodus 20:6
6 And shewing mercy unto thousands of them that love me, and keep my commandments.