Romans 3:1

Then what advantage has the Jew, or what is the value of circumcision?

Romans 2:25-29

Circumcision indeed is of value if you obey the law; but if you break the law, your circumcision has become uncircumcision.

1 Corinthians 15:32

If I fought wild beasts in Ephesus for merely human reasons, what have I gained? If the dead are not raised, "Let us eat and drink, for tomorrow we die."

Hebrews 13:9

Do not be carried away by varied and strange teachings; for it is good for the heart to be strengthened by grace, not by foods, through which those who were so occupied were not benefited.

Treasury of Scripture Knowledge

Summary

What advantage then hath the Jew? or what profit is there of circumcision?

Bible References

Advantage

Romans 2:25
Circumcision indeed is of value if you obey the law; but if you break the law, your circumcision has become uncircumcision.
1 Corinthians 15:32
If I fought wild beasts in Ephesus for merely human reasons, what have I gained? If the dead are not raised, "Let us eat and drink, for tomorrow we die."
Hebrews 13:9
Do not be carried away by varied and strange teachings; for it is good for the heart to be strengthened by grace, not by foods, through which those who were so occupied were not benefited.