Cross reference
Exodus 31:16
16 and the sons of Israel have observed the sabbath; to keep the sabbath to their generations `is' a covenant age-during,
Genesis 9:13
13 My bow I have given in the cloud, and it hath been for a token of a covenant between Me and the earth;
Genesis 17:11
11 and ye have circumcised the flesh of your foreskin, and it hath become a token of a covenant between Me and you.
Jeremiah 50:5
5 `To' Zion they ask the way, Thitherward `are' their faces: Come in, and we are joined unto Jehovah, A covenant age-during -- not forgotten.