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

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

And he spake unto him yet again, and said, Peradventure there shall be forty found there. And he said, I will not do it for the forty's sake.

and Kenan lived after he begat Mahalalel eight hundred and forty years, and begat sons and daughters:

And the flood was forty days upon the earth; and the waters increased, and bare up the ark, and it was lifted up above 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 shall lack five of the fifty righteous: wilt thou destroy all the city for lack of five? And he said, I will not destroy it, if I find there forty and five.

And Isaac was forty years old when he took Rebekah, the daughter of Bethuel the Syrian of Paddan-aram, the sister of Laban the Syrian, to be his wife.

And when Esau was forty years old he took to wife Judith the daughter of Beeri the Hittite, and Basemath the daughter of Elon the Hittite.

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

And Jacob lived in the land of Egypt seventeen years: so the days of Jacob, the years of his life, were a hundred forty and seven years.

And forty days were fulfilled for him; for so are fulfilled the days of embalming: and the Egyptians wept for him three-score and ten days.