And Jethro, Moses' father in law, came with his sons and his wife unto Moses into the wilderness, where he encamped at the mount of God:
Now Moses kept the flock of Jethro his father in law, the priest of Midian: and he led the flock to the backside of the desert, and came to the mountain of God, even to Horeb.
And he said, Certainly I will be with thee; and this shall be a token unto thee, that I have sent thee: When thou hast brought forth the people out of Egypt, ye shall serve God upon this mountain.
And be ready against the third day: for the third day the LORD will come down in the sight of all the people upon mount Sinai.
And the LORD came down upon mount Sinai, on the top of the mount: and the LORD called Moses up to the top of the mount; and Moses went up.
And the glory of the LORD abode upon mount Sinai, and the cloud covered it six days: and the seventh day he called unto Moses out of the midst of the cloud.
And the sight of the glory of the LORD was like devouring fire on the top of the mount in the eyes of the children of Israel.
1 Kings 19:8
And he arose, and did eat and drink, and went in the strength of that meat forty days and forty nights unto Horeb the mount of God.