Matthew 3:9-10
and do not imagine that you can say to yourselves, 'We have Abraham as our forefather,' for I tell you that God can raise up descendants for Abraham from these stones.
Acts 7:39
"Our forefathers, however, would not submit to him, but spurned his authority and in their hearts turned back to Egypt.
Acts 7:51
"O stiff-necked men, uncircumcised in heart and ears, you also are continually at strife with the Holy Spirit--just as your forefathers were.
Romans 2:28-29
For the true Jew is not the man who is simply a Jew outwardly, and true circumcision is not that which is outward and bodily.