For after seven days I will send rain on the earth for forty days and forty nights, for the destruction of every living thing which I have made on the face of the earth.

And rain came down on the earth for forty days and forty nights.

And again he said to him, By chance there may be forty there. And he said, I will not do it if there are forty.

Thirty camels with their young ones, forty cows, ten oxen, twenty asses, and ten young asses.