Exodus 31:16
Therefore the people of Israel shall keep the Sabbath, observing the Sabbath throughout their generations, as a covenant forever.
Genesis 9:13
I have set my bow in the cloud, and it shall be a sign of the covenant between me and the earth.
Genesis 17:11
You shall be circumcised in the flesh of your foreskins, and it shall be a sign of the covenant between me and you.
Jeremiah 50:5
They shall ask the way to Zion, with faces turned toward it, saying, 'Come, let us join ourselves to the LORD in an everlasting covenant that will never be forgotten.'