Galatians 5:11

But as for me, brethren, if I still preach circumcision, why do I still suffer persecution? Then hath the cross ceased to be a stumblingblock.

1 Corinthians 1:23

but we preach Christ crucified, to Jews a stumblingblock, and to gentiles foolishness,

Galatians 4:29

But as at that time he that was born after the flesh persecuted him that was born through the Spirit, so it is now.

Galatians 6:12

As many as desire to make a fair show in the flesh, these are constraining you to be circumcised, only that they may not suffer persecution for the cross of Christ.

Acts 16:3

Him Paul wished to go forth with him, and took and circumcised him on account of the Jews who were in those places; for they all knew that his father was a Greek.

Acts 21:21

But they have been informed concerning thee, that thou teachest all the Jews who are among the gentiles to forsake Moses, telling them not to circumcise their children, nor to walk after the customs.

Acts 21:28

crying out, Men of Israel, help! This is the man that teacheth every one everywhere against the people, and the Law, and this place; and besides he even brought Greeks into the temple, and hath polluted this holy place.

Acts 22:21-22

And he said to me, Depart; for I will send thee far hence to the gentiles.

Acts 23:13-14

And there were more than forty who took this oath together.

Romans 9:32-33

Why? Because they did not strive for it by faith, but as being by works. For they stumbled against the stone of stumbling;

1 Corinthians 1:18

For the preaching of the cross is to those who are perishing, foolishness, but to us who are being saved, it is the power of God.

1 Corinthians 15:30

Why also do we stand in peril every hour?

2 Corinthians 11:23-26

Are they ministers of Christ? (I speak as beside myself,) I am more; in labors more abundantly, in stripes above measure, in prisons more frequently, in deaths often;

Galatians 2:3

But not even Titus, who was with me, though he was a Greek, was compelled to be circumcised;

Galatians 6:17

Henceforth let no one trouble me; for I bear the marks of Jesus on my body.

1 Peter 2:8-9

and "a stone of stumbling, and a rock to strike against;" even to those who stumble, being disobedient to the word; to which they were also appointed.

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 not even Titus, who was with me, though he was a Greek, was compelled to be circumcised;
Acts 16:3
Him Paul wished to go forth with him, and took and circumcised him on account of the Jews who were in those places; for they all knew that his father was a Greek.

Why

Galatians 4:29
But as at that time he that was born after the flesh persecuted him that was born through the Spirit, so it is now.
Galatians 6:12
As many as desire to make a fair show in the flesh, these are constraining you to be circumcised, only that they may not suffer persecution for the cross of Christ.
Acts 21:21
But they have been informed concerning thee, that thou teachest all the Jews who are among the gentiles to forsake Moses, telling them not to circumcise their children, nor to walk after the customs.
Acts 22:21
And he said to me, Depart; for I will send thee far hence to the gentiles.
Acts 23:13
And there were more than forty who took this oath together.
1 Corinthians 15:30
Why also do we stand in peril every hour?
2 Corinthians 11:23
Are they ministers of Christ? (I speak as beside myself,) I am more; in labors more abundantly, in stripes above measure, in prisons more frequently, in deaths often;

The offence

Romans 9:32
Why? Because they did not strive for it by faith, but as being by works. For they stumbled against the stone of stumbling;
1 Corinthians 1:18
For the preaching of the cross is to those who are perishing, foolishness, but to us who are being saved, it is the power of God.
1 Peter 2:8
and "a stone of stumbling, and a rock to strike against;" even to those who stumble, being disobedient to the word; to which they were also appointed.

General references

1 Corinthians 15:30
Why also do we stand in peril every hour?
Galatians 2:18
For if I again build up what I pulled down, I make myself a transgressor.