Romans 4:11

and he was afterward given the mark of circumcision as the stamp of God's acknowledgment of the uprightness based on faith that was his before he was circumcised, so that he should be the forefather of all who, without being circumcised, have faith and so are credited with uprightness,

Acts 7:8

And he made the agreement of circumcision with him, and so Abraham became the father of Isaac and circumcised him on the eighth day, and Isaac became the father of Jacob, and Jacob of the twelve patriarchs.

Treasury of Scripture Knowledge

Summary

And ye shall circumcise the flesh of your foreskin; and it shall be a token of the covenant betwixt me and you.

Bible References

A token

Acts 7:8
And he made the agreement of circumcision with him, and so Abraham became the father of Isaac and circumcised him on the eighth day, and Isaac became the father of Jacob, and Jacob of the twelve patriarchs.
Romans 4:11
and he was afterward given the mark of circumcision as the stamp of God's acknowledgment of the uprightness based on faith that was his before he was circumcised, so that he should be the forefather of all who, without being circumcised, have faith and so are credited with uprightness,
Acts 7:8
And he made the agreement of circumcision with him, and so Abraham became the father of Isaac and circumcised him on the eighth day, and Isaac became the father of Jacob, and Jacob of the twelve patriarchs.
Romans 4:11
and he was afterward given the mark of circumcision as the stamp of God's acknowledgment of the uprightness based on faith that was his before he was circumcised, so that he should be the forefather of all who, without being circumcised, have faith and so are credited with uprightness,