Exodus 24:18

24:18 Moses went into the cloud when he went up the mountain, and Moses was on the mountain forty days and forty nights.

Exodus 34:28

34:28 So he was there with the Lord forty days and forty nights; he did not eat bread, and he did not drink water. He wrote on the tablets the words of the covenant, the ten commandments.

Exodus 34:1

The New Tablets of the Covenant

34:1 The Lord said to Moses, “Cut out two tablets of stone like the first, and I will write on the tablets the words that were on the first tablets, which you smashed.

Exodus 19:8

19:8 and all the people answered together, “All that the Lord has commanded we will do!” So Moses brought the words of the people back to the Lord.

Matthew 4:2

4:2 After he fasted forty days and forty nights he was famished.