For in seven days I will cause it to rain on the earth for forty days and forty nights, and I will wipe from the face of the ground every living thing that I have made."

And the rain fell on the earth forty days and forty nights.

Abraham spoke to him again, "What if forty are found there?" He replied, "I will not do it for the sake of the forty."

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.

And the flood came forty days and forty nights upon the earth. And the waters increased, and lifted the ark, and it rose up from the earth.

At the end of forty days, Noah opened the window he had made in the ark

what if there are five less than the fifty godly people? Will you destroy the whole city because five are lacking?" He replied, "I will not destroy it if I find forty-five there."

When Isaac was forty years old, he married Rebekah, the daughter of Bethuel the Aramean from Paddan Aram and sister of Laban the Aramean.

When Esau was forty years old, he married Judith the daughter of Beeri the Hittite, as well as Basemath the daughter of Elon the Hittite.

thirty female camels with their young, forty cows and ten bulls, and twenty female donkeys and ten male donkeys.

Kenan lived after he became the father of Mahalalel eight hundred forty years, and fathered sons and daughters

Jacob lived in the land of Egypt seventeen years. So the days of Jacob, the years of his life, were one hundred forty-seven years.