Bible Verses About false teaching

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

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

For the time will come when they will not endure sound doctrine; but after their own lusts shall they heap to themselves teachers, having itching ears;

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

For many deceivers are entered into the world, who confess not that Jesus Christ is come in the flesh. This is a deceiver and an antichrist.