Galatians 5:2

Behold, I Paul declare to you, that if ye be circumcised, Christ will be of no advantage to you.

Acts 15:1

AND certain persons coming down from Judea taught the brethren, That if ye are not circumcised according to the ordinances of Moses, ye cannot be saved.

2 Corinthians 10:1

NOW I Paul myself exhort you by the meekness and gentleness of Christ, who, when present, am indeed lowly among you, but being absent, am bold towards you.

Galatians 5:6

For in Christ Jesus neither circumcision availeth any thing, nor uncircumcision, but faith exerting its energy by love.

Acts 15:24

Forasmuch as we have heard, that certain persons who went out from us have disturbed you with discourses, unsettling your minds, insisting, that you should be circumcised, and observe the law: to whom we gave no such charge:

Acts 16:3-4

Him Paul resolved to take out with him; and took and circumcised him because of the Jews who were in those places: for they all knew his father, that he was a Greek.

Romans 9:31-32

But Israel, pursuing after the law of righteousness, hath not come up to the law of righteousness.

Romans 10:2-3

For I am a witness for them, that they have a zeal for God, but not according to knowledge.

Galatians 2:3-5

And even Titus, who was with me, though a Greek, was not compelled to be circumcised:

Galatians 5:3-4

And again, I testify to every man who is circumcised, that he is under an obligation to keep the whole law.

Galatians 5:11

But I, brethren, if I yet preach circumcision, why am I still persecuted? then indeed the offence of the cross is at an end.

1 Thessalonians 2:18

Therefore we wished to have come unto you, even I Paul, once and again; but Satan prevented us.

Hebrews 4:2

For we are hearing the same gospel preached as they did; but the word heard did not profit them, not being incorporated by faith with those who heard it.

1 Corinthians 16:21

The salutation of Paul with mine own hand.

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 should be put into new bottles; then both are preserved.
Galatians 2:3
And even Titus, who was with me, though a Greek, was not compelled to be circumcised:
Philippians 3:7
But what things were gain to me, these have I counted loss for Christ.