Rebbi says: Now what did the L–rd say to Moses to say to Israel or what did Israel say to Moses to say to the L–rd? They said: We want to hear it from our King. There is no comparing hearing it from an attendant to hearing it from the King Himself — whereupon the L–rd said (to Moses): Grant them what they ask, (Ibid. 19:9) "so that the people hear, etc."