Galatians 5:11

As for me, myself, brothers, if I am still preaching circumcision, why am I still being persecuted? In such a case the hindrance done by the cross has presumably ceased!

1 Corinthians 1:23

we are preaching the Christ who was crucified -- a message that is a trap-stick to the Jews and nonsense to the Greeks,

Galatians 4:29

But just as then the child born in the ordinary course of nature persecuted the one born by the power of the Spirit, so it is today.

Galatians 6:12

These men who are trying to force you to let yourselves be circumcised simply want to make a fine outward show, only to keep you from being persecuted for the cross of our Lord Jesus Christ.

Acts 16:3

Paul wanted this man to join him in his journey; so on account of the Jews in that district he took him and had him circumcised, for everybody knew that his father was a Greek.

Acts 21:21

They have been repeatedly told about you that you continuously teach the Jews who live among the heathen to turn their backs on Moses, and that you continue to tell them to stop circumcising their children, and to stop observing the cherished customs.

Acts 21:28

as they kept shouting, "Men of Israel, help! help! This is the man who teaches everybody everywhere against our people and the law and this place; yea, more than that, he has actually brought Greeks into the temple and desecrated this sacred place."

Acts 22:21-22

Then He said to me, 'Go, because I am to send you out and far away among the heathen.'"

Acts 23:13-14

There were more than forty of them who formed this conspiracy.

Romans 9:32-33

Why? Because they did not try through faith but through what they could do. They have stumbled over the stone that causes people to stumble,

1 Corinthians 1:18

For the message of the cross is nonsense to those who are in the process of being destroyed, but it is the power of God to those who are in the process of being saved.

1 Corinthians 15:30

Why too do we ourselves run such risks every hour?

2 Corinthians 11:23-26

Are they ministers of Christ? So am I. I am talking like a man that has gone crazy -- as such I am superior! -- serving Him with labors greater by far, with far more imprisonments, with floggings vastly worse, and often at the point of death.

Galatians 2:3

But they did not even try to compel my companion, Titus, although he was a Greek, to be circumcised --

Galatians 6:17

Let nobody trouble me after this, for I carry on my body the scars that mark me as Jesus' slave.

1 Peter 2:8-9

and: "A stone for them to stumble over and a rock to trip them up." They keep on stumbling over the message, because they are disobedient to it, and this is their appointed doom.

Treasury of Scripture Knowledge

Summary

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

General references

Bible References

If

Galatians 2:3
But they did not even try to compel my companion, Titus, although he was a Greek, to be circumcised --
Acts 16:3
Paul wanted this man to join him in his journey; so on account of the Jews in that district he took him and had him circumcised, for everybody knew that his father was a Greek.

Why

Galatians 4:29
But just as then the child born in the ordinary course of nature persecuted the one born by the power of the Spirit, so it is today.
Galatians 6:12
These men who are trying to force you to let yourselves be circumcised simply want to make a fine outward show, only to keep you from being persecuted for the cross of our Lord Jesus Christ.
Acts 21:21
They have been repeatedly told about you that you continuously teach the Jews who live among the heathen to turn their backs on Moses, and that you continue to tell them to stop circumcising their children, and to stop observing the cherished customs.
Acts 22:21
Then He said to me, 'Go, because I am to send you out and far away among the heathen.'"
Acts 23:13
There were more than forty of them who formed this conspiracy.
1 Corinthians 15:30
Why too do we ourselves run such risks every hour?
2 Corinthians 11:23
Are they ministers of Christ? So am I. I am talking like a man that has gone crazy -- as such I am superior! -- serving Him with labors greater by far, with far more imprisonments, with floggings vastly worse, and often at the point of death.

The offence

Romans 9:32
Why? Because they did not try through faith but through what they could do. They have stumbled over the stone that causes people to stumble,
1 Corinthians 1:18
For the message of the cross is nonsense to those who are in the process of being destroyed, but it is the power of God to those who are in the process of being saved.
1 Peter 2:8
and: "A stone for them to stumble over and a rock to trip them up." They keep on stumbling over the message, because they are disobedient to it, and this is their appointed doom.

General references

1 Corinthians 15:30
Why too do we ourselves run such risks every hour?
Galatians 2:18
For if I try to build again what I tore down, I really prove myself to be a wrongdoer.