And Yahweh said to him - Not so, whosoever slayeth Cain seven - fold, shall it be avenged. So Yahweh set, for Cain, a sign, that none finding him should smite him.

And God said, This, is the sign of the covenant which I am granting betwixt me and you, and every living soul that is with you, - to age-abiding generations: -

My bow, have I set in the cloud, - and it shall be for a sign of a covenant, betwixt me and the earth;

And God said unto Noah, This is the sign of the covenant which have established, between me and all flesh that is on the earth.

So shall ye be circumcised in the flesh of your foreskin, - So shall it become a sign of a covenant, betwixt me and you.