And He said to me, My grace is sufficient for you, for My power is made perfect in weakness. Most gladly therefore I will rather glory in my weaknesses, that the power of Christ may overshadow me.

Forty days

And Moses went into the midst of the cloud, and went up into the mountain. And Moses was in the mountain forty days and forty nights.

And he was there with Jehovah forty days and forty nights. He neither ate bread, nor drank water. And He wrote upon the tablets the words of the covenant, the Ten Commandments.

When I had gone up into the mountain to receive the tablets of stone, the tablets of the covenant which Jehovah made with you, then I stayed in the mountain forty days and forty nights. I neither ate bread nor drank water.

And when He had fasted forty days and forty nights, He was afterwards hungry.

And He was there in the wilderness forty days, tempted by Satan. And He was with the wild beasts, and the angels ministered to Him.

forty days, being tempted by the Devil. And in those days He ate nothing. And they being ended, He afterward was hungry.

Horeb

And Moses kept the flock of his father-in-law Jethro, the priest of Midian. And he led the flock to the back side of the desert. And he came to the mountain of God, to Horeb.

And Mount Sinai was smoking, all of it, because Jehovah came down upon it in fire. And the smoke of it went up like the smoke of a furnace, and the whole mountain quaked greatly.

Remember the Law of Moses My servant, which I commanded to him in Horeb for all Israel, the statutes and judgments.

General references

And Jethro, Moses' father-in-law, came with his sons and his wife to Moses in the wilderness, where he camped at the mount of God.