Thematic Bible: A seal of righteousness

And he received the sign of circumcision, as a seal of the righteousness of his faith during uncircumcision, for him to be father of all those who believe during uncircumcision (for righteousness to also be imputed to them), Verse ConceptsCircumcision, spiritualPraiseSealsAbraham, God's Covenant WithAbraham, New Testament ReferencesReckoningRighteous By FaithRighteousness imputed

For circumcision is indeed beneficial if thou perform law, but if thou are a transgressor of law, thy circumcision has become uncircumcision. If therefore a man of uncircumcision keeps the ordinances of the law, will not his uncircumcision be considered circumcision? And the man of natural uncircumcision who fulfills the law, will judge thee, a transgressor of law through a document and circumcision. read more.
For he is not a Jew in what is visible, nor is circumcision in what is visible, in flesh, but he is a Jew in what is hidden, and circumcision is of the heart, in spirit not a document, whose praise is not from men but from God.