1 Kings 19:7-9

The angel of the LORD came again a second time and touched him and said, “Arise, eat, because the journey is too great for you.” So he arose and ate and drank, and went in the strength of that food forty days and forty nights to Horeb, the mountain of God. Then he came there to a cave and lodged there; and behold, the word of the LORD came to him, and He said to him, “What are you doing here, Elijah?”