Cerinthus

1 John 5:6

This is he that came by water and blood, even Jesus Christ; not by water only, but by water and blood. And it is the Spirit that beareth witness, because the Spirit is truth.

1 John 4:1

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

1 Corinthians 7:5

Defraud ye not one the other, except it be with consent for a time, that ye may give yourselves to fasting and prayer; and come together again, that Satan tempt you not for your incontinency.

Acts 15:1

• Judaizers

And certain men which came down from Judaea taught the brethren, and said, Except ye be circumcised after the manner of Moses, ye cannot be saved.

Matthew 24:11

And many false prophets shall rise, and shall deceive many.