2 Peter 3:17
Do you therefore, beloved, because you know these things beforehand, be on your guard lest you be led astray by the error of the wicked, and so fall from your own stedfastness.
Matthew 7:15
"Beware of the false prophets who come to you in sheep's clothing, but within they are ravening wolves.
Matthew 16:6
Presently Jesus said to them, "Take heed and beware of the leaven of the Pharisees."
Matthew 16:11
"How is it that you do not perceive that I did not speak to you concerning bread? But beware off the leaven of the Pharisees and Sadducees!"
Matthew 24:24-25
For false christs and false prophets will arise, and will work great signs and wonders, so as to mislead, if it were possible, the very elect.
Mark 13:22-23
for false Christs and false prophets will arise and will show signs and wonders, to lead astray the very chosen, if they can.
John 16:4
"But I have told you these things, that when the time comes you may remember that I told you about them, myself. I did not, however, speak of these things at first, because I was with you.
Acts 2:42
and they stedfastly continued in the teaching of the apostles, and in the fellowship, in the breaking of the bread, and in the prayers.
Romans 16:18
Turn away from them. For men of that stamp are not the slaves of Christ, but are slaves to their own appetites. By their smooth and fair speech they beguile the hearts of the innocent.
1 Corinthians 10:12
So then let him who imagines that he is standing so securely beware lest he fall.
1 Corinthians 15:58
So, my brothers beloved, stand firm, immovable, always abounding in work for the Lord, because you know that your toil is not fruitless in the Lord.
2 Corinthians 11:3
But I fear lest, just as the serpent beguiled Eve in his craftiness, so your minds should be seduced from your single-mindedness and purity toward Christ.
2 Corinthians 11:13-15
For such fellows are sham apostles of Christ.
Ephesians 4:14
So we shall no longer be children, tossed up and down, and blown about by every wind of teaching, tricked by the craft of men in the snares of misleading error;
Philippians 3:2
Beware of "these dogs," these mischievous workers, beware of the concision!
Colossians 2:5
For though I am absent from you in body, I am with you in spirit, happy to note your discipline and the solid front of your faith in Christ.
Colossians 2:8
Take care lest any man drag you away captive by his philosophy which is a vain deceit, following the traditions of men and the world's crude notions, and not Christ.
2 Timothy 4:15
Be also on your guard against him, for he has violently opposed my arguments.
Hebrews 3:14
For we are become comrades of the Christ, if we hold our first title deed firm until the very end.
1 Peter 5:9
Resist him, standing firm in the faith, knowing well that the same afflictions are being accomplished in your brothers that are in the world.
2 Peter 1:10-12
So, brothers, take diligent care to make your calling and election sure; for if you do this, you will never stumble.
2 Peter 2:18-22
For speaking great swelling words of vanity, they entangle, by their lasciviousness, in the lusts of the flesh, those who are just about to escape from the men that live in misconduct.
Revelation 2:5
Remember whence you have fallen, and turn again, and do your first works. Otherwise I am coming to you and will remove your candlestick out of its place, unless you repent.