After God had bestowed upon Israel these wonderful gifts, He wanted to proceed to the announcement of the Torah, but did not desire to do so while Moses was with Him, that the people might not say it was Moses who had spoken out of the cloud. Hence He sought an excuse to be rid of him. He therefore said to Moses: "Go down, warn the people, that they shall not press forward to see, for if even one of them were to be destroyed, the loss to Me would be as great as if all creation had been destroyed.
Bid Nadab and Abihu also, as well as the first born that are to perform priestly duties, beware that they do not press forward." Moses, however, desirous of remaining with God, replied: "I have already warned the people and set the bounds beyond which they may not venture." God hereupon said to Moses: "Go, descend and call upon Aaron to come up with thee, but let him keep behind thee, while the people do not move beyond the positions thou hadst assigned them." Hardly had Moses left the mountain, when God revealed the Torah to the people.