Genesis 7:4-6

New Revised Standard Version, Anglicised Catholic Edition

⁴ For in seven days I will send rain on the earth for forty days and forty nights; and every living thing that I have made I will blot out from the face of the ground.’ ⁵ And Noah did all that the Lord had commanded him.

⁶ Noah was six hundred years old when the flood of waters came on the earth.