Deuteronomy 11:20 repeats this exact command to write God's words on doorposts and gates, reinforcing the practice.

Isaiah 57:8 condemns setting up idolatrous symbols behind doorposts—a perversion of this command to place God's words there.

Exodus 12:7 describes putting Passover blood on doorposts—another significant marking of the door, but for protection rather than teaching.

Proverbs 7:3 urges binding wisdom on fingers and writing on the heart, echoing the command to write God's words on doorposts for constant remembrance.