Come, let Us go down: God speaks to his angelic court (see 1:26; 3:22; and study notes).
will not understand one another’s speech: When people could no longer understand one another, their shared plan to do wrong would stop. Later, at Pentecost, God allowed people to understand many languages. This showed a partial reversal (undoing) of what happened at Babe (Acts 2:5–13; see Zephaniah 3:9).