But the more the Egyptians oppressed them, the more they multiplied and spread. As a result the Egyptians loathed the Israelites,

Let the priests also, who approach the Lord, sanctify themselves, lest the Lord break through against them.”

The Lord said to him, “Go, get down, and come up, and Aaron with you, but do not let the priests and the people force their way through to come up to the Lord, lest he break through against them.”