Genesis 9:12-13

12 God said, "This is the sign of the covenant that I make between me and you and every living creature that is with you, for all future generations:
13 I have set my bow in the clouds, and it shall be a sign of the covenant between me and the earth.
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.