Galatians 5:2

take notice, 'tis I Paul declare it to you, that if you are circumcised, Christ shall be of no advantage to you.

Acts 15:1

However some that arrived from Judea, told the Gentile converts, unless you are circumcised agreeably to the law of Moses, you cannot be saved.

2 Corinthians 10:1

I who am a person of a mean presence, when among you, but exert myself upon your account, when absent; I Paul intreat you by the meekness and gentleness of Christ, not to let me exert that authority,

Galatians 5:6

for in the christian-dispensation, neither circumcision avails any thing, nor uncircumcision, but an active benevolent faith.

Acts 15:24

Whereas we have been appriz'd, that some who went from us, have embarass'd you with their discourse, and unsettled your minds, maintaining, that you ought to be circumcised, and to observe the law, though we gave them no such injunction: after having been assembled,

Acts 16:3-4

so he took him and had him circumcised, out of regard to the Jews of that country, who all knew his father was a Greek.

Romans 9:31-32

but Israel, who followed the law of justice, hath not attained to the law of justice.

Romans 10:2-3

for I bear them witness, that they have a zeal for God, but not guided by true knowledge.

Galatians 2:3-5

however, Titus who was then with me, being a Greek, was not compelled to be circumcised:

Galatians 5:3-4

for I testify to every man that is circumcised, that he is under an obligation to perform the whole law.

Galatians 5:11

as for me, brethren, if I yet preach circumcision, why am I yet persecuted? for then there would not be so much objection to the doctrine of the cross.

1 Thessalonians 2:18

this I Paul have frequently attempted, but Satan has been my obstacle.

Hebrews 4:2

for to us was the good promise made, as well as to them: but the word address'd to them was not effectually receiv'd with faith by those that heard it.

1 Corinthians 16:21

I Paul salute you, and with my own handwriting.

Treasury of Scripture Knowledge

Summary

Behold, I Paul say unto you, that if ye be circumcised, Christ shall profit you nothing.

Bible References

General references

Luke 5:38
but new wine must be put into new skins, and both will be preserv'd.
Galatians 2:3
however, Titus who was then with me, being a Greek, was not compelled to be circumcised:
Philippians 3:7
these advantages I renounce for Christ,