Exodus 24:12-18

The LORD said to Moses, “Come up to me on the mountain and stay there so that I may give you the stone tablets with the law and commandments I have written for their instruction.” So Moses arose with his assistant Joshua and went up the mountain of God. He told the elders, “Wait here for us until we return to you. Aaron and Hur are here with you. Whoever has a dispute should go to them.” When Moses went up the mountain, the cloud covered it. The glory of the LORD settled on Mount Sinai, and the cloud covered it for six days. On the seventh day he called to Moses from the cloud. The appearance of the LORD’s glory to the Israelites was like a consuming fire on the mountaintop. Moses entered the cloud as he went up the mountain, and he remained on the mountain forty days and forty nights.