Passage cross-references.

Now I beseech you, brethren, mark them which cause divisions and offences contrary to the doctrine which ye have learned; and avoid them.

If there come any unto you, and bring not this doctrine, receive him not into your house, neither bid him God speed:

Moreover if thy brother shall trespass against thee, go and tell him his fault between thee and him alone: if he shall hear thee, thou hast gained thy brother. …

And if any man obey not our word by this epistle, note that man, and have no company with him, that he may be ashamed.

Having a form of godliness, but denying the power thereof: from such turn away.

Now we command you, brethren, in the name of our Lord Jesus Christ, that ye withdraw yourselves from every brother that walketh disorderly, and not after the tradition which he received of us.

For there must be also heresies among you, that they which are approved may be made manifest among you.

I would they were even cut off which trouble you.

Idolatry, witchcraft, hatred, variance, emulations, wrath, strife, seditions, heresies,

I told you before, and foretell you, as if I were present, the second time; and being absent now I write to them which heretofore have sinned, and to all other, that, if I come again, I will not spare:

In the name of our Lord Jesus Christ, when ye are gathered together, and my spirit, with the power of our Lord Jesus Christ, …

But there were false prophets also among the people, even as there shall be false teachers among you, who privily shall bring in damnable heresies, even denying the Lord that bought them, and bring upon themselves swift destruction.