Galatians 5:2

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

Acts 15:1

Then certain men who came down from Judaea taught the brethren and said, Except ye be circumcised after the manner of Moses, ye cannot be saved.

2 Corinthians 10:1

Now I, Paul, myself beseech you by the meekness and clemency of the Christ (who in presence am low among you, but being absent am bold toward you)

Galatians 5:6

For in Christ Jesus neither circumcision avails anything nor uncircumcision, but faith which works by charity.

Acts 15:24

forasmuch as we have heard that certain ones who went out from us have troubled you with words, subverting your souls, saying, Ye must be circumcised and keep the law, to whom we gave no such commandment,

Acts 16:3-4

Paul desired to have him go forth with him and took and circumcised him because of the Jews who were in those quarters, for they all knew that his father was a Greek.

Romans 9:31-32

and Israel, which followed after the law of righteousness, has not attained to the law of righteousness.

Romans 10:2-3

For I give testimony that they have a zeal of God, but not according to knowledge.

Galatians 2:3-5

But not even Titus, who was with me, being a Greek, was compelled to be circumcised,

Galatians 5:3-4

For I testify again to every man that becomes circumcised that he is a debtor to do the whole law.

Galatians 5:11

And I, brethren, if I yet preach circumcision, why do I yet suffer persecution? Then is the offence of the cross ceased.

1 Thessalonians 2:18

Therefore we would have come unto you, even I, Paul, once and again, but Satan hindered us.

1 Thessalonians 2:18

Therefore we would have come unto you, even I, Paul, once and again, but Satan hindered us.

Hebrews 4:2

For unto us was the gospel preached, as well as unto them, but it did not profit those that heard the word without mixing it with faith.

1 Corinthians 16:21

The salutation of me, Paul, is with my 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 must be put into new wineskins, and both are preserved.
Galatians 2:3
But not even Titus, who was with me, being a Greek, was compelled to be circumcised,
Philippians 3:7
But those things which were gain to me, I counted loss for Christ.