Passage cross-references.

And he said unto them, Take heed what ye hear: with what measure ye mete, it shall be measured to you: and unto you that hear shall more be given.

If any man teach otherwise, and consent not to wholesome words, even the words of our Lord Jesus Christ, and to the doctrine which is according to godliness; …

Go from the presence of a foolish man, when thou perceivest not in him the lips of knowledge.

Beware of false prophets, which come to you in sheep’s clothing, but inwardly they are ravening wolves.

For such are false apostles, deceitful workers, transforming themselves into the apostles of Christ. …

Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.

If there arise among you a prophet, or a dreamer of dreams, and giveth thee a sign or a wonder, …

And the LORD said unto him, Wherewith? And he said, I will go forth, and I will be a lying spirit in the mouth of all his prophets. And he said, Thou shalt persuade him, and prevail also: go forth, and do so. …

Then Jesus said unto them, Take heed and beware of the leaven of the Pharisees and of the Sadducees.

Then understood they how that he bade them not beware of the leaven of bread, but of the doctrine of the Pharisees and of the Sadducees.

He answered and said unto them, Well hath Esaias prophesied of you hypocrites, as it is written, This people honoureth me with their lips, but their heart is far from me. …

And a stranger will they not follow, but will flee from him: for they know not the voice of strangers.

That we henceforth be no more children, tossed to and fro, and carried about with every wind of doctrine, by the sleight of men, and cunning craftiness, whereby they lie in wait to deceive;

But refuse profane and old wives’ fables, and exercise thyself rather unto godliness.

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. …

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

I know thy works, and thy labour, and thy patience, and how thou canst not bear them which are evil: and thou hast tried them which say they are apostles, and are not, and hast found them liars: