Genesis 9:12
"And God said, This is the token of the covenant which I make between me and you and every living creature that is with you, for perpetual generations:"
Cross References (ranked by relevance)
And ye shall circumcise the flesh of your foreskin; and it shall be a token of the covenant betwixt me and you.
And the blood shall be to you for a token upon the houses where ye are: and when I see the blood, I will pass over you, and the plague shall not be upon you to destroy you, when I smite the land of Egypt.
And it shall be for a token upon thine hand, and for frontlets between thine eyes: for by strength of hand the LORD brought us forth out of Egypt.
And God said unto Noah, This is the token of the covenant, which I have established between me and all flesh that is upon the earth.