In this detailed warning against the dangers of idolatry (Deuteronomy 4:15–19), Moses begins with the principle. When Israel had its awesome encounter with the Lord on Sinai, it did not see any form, though the reality of God's presence was certain. Nevertheless, the temptation to resort to physical representations of God was real, and already experience at the incident of the golden calf. Therefore, Moses warns Israel to keep careful watch, lest they act corruptly by making a carved image for themselves.
15 Puisque vous n'avez vu aucune figure le jour où l'Eternel vous parla du milieu du feu, à Horeb, veillez attentivement sur vos âmes,