And Cainan lived after he begat Mahalaleel eight hundred and forty years, and begat sons and daughters:

And Isaac was forty years old when he took Rebecca as wife, the daughter of Bethuel the Syrian of Padan-Aram, the sister of Laban the Syrian.

And afterward his brother came out, and his hand holding Esau by the heel. Wherefore his name was called Jacob. And Isaac was forty years old when she bare them:

And Esau was forty years old, when he took as wives Judith the daughter of Beeri the Hittite, and Basmath the daughter of Elon the Hittite.

And Jacob will live in the land of Egypt seventeen years: and the days of the years of the life of Jacob will be seven years and forty years, and a hundred years.

For yet seven days, and I will cause it to rain upon the earth forty days and forty nights: and every living substance that I have made will I destroy from the face of the earth.

And the rain was upon the earth forty days and forty nights.

And he spoke to him yet again, and said, Peradventure there will be forty found there. And he said, I will not do it for forty's sake.

And the flood came forty days and forty nights upon the earth, and the water increased and bare up the ark and it was lift up from off the earth.

And it came to pass at the end of forty days, that Noah opened the window of the ark which he had made:

Peradventure there will lack five of the fifty righteous: wilt thou destroy all the city for lack of five? And he said, If I find there forty and five, I will not destroy it.

Thirty milch camels with their colts, forty cows and ten bulls, twenty she-asses and ten foals.

And forty days were fulfilled for him; (for so are fulfilled the days of those who are embalmed:) and the Egyptians mourned for him seventy days.