Exodus 19:24
24 And the Lord said to him, “Go down, and come up bringing Aaron with you. But do not let the priests and the people ybreak through to come up to the Lord, lest he break out against them.”
Exodus 24:9–11
9 Then Moses and Aaron, Nadab, and Abihu, and dseventy of the elders of Israel ewent up, 10 and they fsaw the God of Israel. There was under his feet as it were a pavement of gsapphire stone, like the very heaven for clearness. 11 And he did not lay his hand on the chief men of the people of Israel; they beheld God, and hate and drank.