And Moses laid before their faces all these words — He not only explained to them what God had given him in charge, but put it to their choice, whether they would accept these promises upon these terms or no. His laying it to their faces speaks his laying it to their consciences.
Related Commentaries of Exodus 19:7
Exodus 19:7
7 And Moses came and called for the elders of the people, and laid before their faces all these words which the LORD commanded him.