Galatians 5:12
I wish that those who are causing such a problem over wanting people to be circumcised would just mutilate themselves [while they are at it!].
Galatians 5:10
[However], I have confidence in you, since we both have a relationship with the Lord, that you will not think differently [than I do] about this matter. But whoever is causing you trouble will be rightfully judged [and punished] for it.
John 9:34
They replied to the beggar, "You were born entirely in sins [i.e., you have been a sinner all your life], and you are [trying] to teach us?" Then they threw him out [of the synagogue. See verse 22].
Acts 5:5
When Ananias heard these words he fell dead [instantly] and his spirit left his body, [causing] everyone who heard [about it] to be gripped with fear.
Acts 5:9
Then Peter said to her, "Why did you agree together [with your husband] to put the Holy Spirit of the Lord to the test? Look, the ones who buried your husband are at the door, and they will carry you out [to bury you, too]."
Acts 15:1-2
Certain men [i.e., believers, see verse 5] came down from Judea [to Antioch of Syria] and began teaching the brothers this: You cannot be saved unless you are circumcised according to the custom [required] by Moses.
Acts 15:24
We have heard that certain [men] who left here have been upsetting you people and [even] undermining [some people's] spiritual lives by what they have been teaching. This was done without our authorization [or approval].
1 Corinthians 5:13
For what business is it of mine to judge outsiders? [i.e., non-Christians]; God judges them. But should you not judge those people who are inside? [i.e., Christians]. [So], remove the evil person from your fellowship [See Deut. 17:7].
Galatians 1:8-9
However, if we [apostles] or even an angel [claiming to be] from heaven were to preach any other "gospel" than the one we have [already] preached to you, let that person be cut off from God's [salvation].
Galatians 2:4
For [certain] false brothers, who were secretly brought in to observe us practicing our liberty in Christ Jesus [i.e., by not having Titus circumcised], attempted to place us [back] under the bondage [of Mosaic law keeping].
Titus 3:10
After you have warned a divisive person twice, have nothing more to do with him [i.e., withdraw spiritual fellowship from him].