2 Peter 3:17
For this reason, my loved ones, having knowledge of these things before they take place, take care that you are not turned away by the error of the uncontrolled, so falling from your true faith.
Proverbs 1:17
Truly, to no purpose is the net stretched out before the eyes of the bird:
Matthew 7:15
Be on the watch for false prophets, who come to you in sheep's clothing, but inside they are cruel wolves.
Matthew 16:6
And Jesus said to them, Take care to have nothing to do with the leaven of the Pharisees and Sadducees.
Matthew 16:11
How is it that you do not see that I was not talking to you about bread, but about keeping away from the leaven of the Pharisees and Sadducees?
Matthew 24:24-25
For there will come up false Christs, and false prophets, who will do great signs and wonders; so that if possible even the saints might be tricked.
Mark 13:22-23
Because there will be false Christs and false prophets, and they will give signs and wonders in the hope of turning even the saints from the true way.
John 16:4
I have said these things to you so that when the time comes, what I have said may come to your mind. I did not say them to you at the first, because then I was still with you.
Acts 2:42
And they kept their attention fixed on the Apostles' teaching and were united together in the taking of broken bread and in prayer.
Romans 16:18
For such people are not servants of the Lord Christ, but of their stomachs; and by their smooth and well-said words the hearts of those who have no knowledge of evil are tricked.
1 Corinthians 10:12
So let him who seems to himself to be safe go in fear of a fall.
1 Corinthians 15:58
For this cause, my dear brothers, be strong in purpose and unmoved, ever giving yourselves to the work of the Lord, because you are certain that your work is not without effect in the Lord.
2 Corinthians 11:3
But I have a fear, that in some way, as Eve was tricked by the deceit of the snake, your minds may be turned away from their simple and holy love for Christ.
2 Corinthians 11:13-15
For such men are false Apostles, workers of deceit, making themselves seem like Apostles of Christ.
Ephesians 4:14
So that we may be no longer children, sent this way and that, turned about by every wind of teaching, by the twisting and tricks of men, by the deceits of error;
Philippians 3:2
Be on the watch against dogs, against the workers of evil, against those of the circumcision:
Colossians 2:5
For though I am not present in the flesh, still I am with you in the spirit, seeing with joy your order, and your unchanging faith in Christ.
Colossians 2:8
Take care that no one takes you away by force, through man's wisdom and deceit, going after the beliefs of men and the theories of the world, and not after Christ:
2 Timothy 4:15
But be on the watch for him, for he was violent in his attacks on our teaching.
Hebrews 3:14
For if we keep the substance of the faith which we had at the start, even till the end, we have a part with Christ;
1 Peter 5:9
Do not give way to him but be strong in your faith, in the knowledge that your brothers who are in the world undergo the same troubles.
2 Peter 1:10-12
For this reason, my brothers, take all the more care to make your selection and approval certain; for if you do these things you will never have a fall:
2 Peter 2:18-22
For with high-sounding false words, making use of the attraction of unclean desires of the flesh, they get into their power those newly made free from those who are living in error;
Revelation 2:5
So keep in mind where you were at first, and be changed in heart and do the first works; or I will come to you, and will take away your light from its place, if your hearts are not changed.