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.
And Moses went into the midst of the cloud, and gat him up into the mount: and Moses was in the mount forty days and forty nights.
And he was there with the LORD forty days and forty nights; he did neither eat bread, nor drink water. And he wrote upon the tables the words of the covenant, the ten commandments.
When I was gone up into the mount to receive the tables of stone, even the tables of the covenant which the LORD made with you, then I abode in the mount forty days and forty nights, I neither did eat bread nor drink water:
Thus I fell down before the LORD forty days and forty nights, as I fell down at the first; because the LORD had said he would destroy you.
And they returned from searching of the land after forty days.
And when he had fasted forty days and forty nights, he was afterward an hungred.
To whom also he shewed himself alive after his passion by many infallible proofs, being seen of them forty days, and speaking of the things pertaining to the kingdom of God:
And forty days were fulfilled for him; for so are fulfilled the days of those which are embalmed: and the Egyptians mourned for him threescore and ten days.
And it came to pass at the end of forty days, that Noah opened the window of the ark which he had made:
And Jonah began to enter into the city a day's journey, and he cried, and said, Yet forty days, and Nineveh shall be overthrown.
And the flood was forty days upon the earth; and the waters increased, and bare up the ark, and it was lift up above the earth.
And when thou hast accomplished them, lie again on thy right side, and thou shalt bear the iniquity of the house of Judah forty days: I have appointed thee each day for a year.