2 Peter 3:17
Then you, beloved, foreknowing watch, lest, having been led away by the delusion of the ungodly, you may fall from your own stedfastness:
Matthew 7:15
But beware of false prophets, who come to you in sheep's clothing, but inwardly they are rapacious wolves.
Matthew 16:6
And Jesus said to them; See and beware of the leaven of the Pharisees and Sadducees.
Matthew 16:11
How do you not understand that I did not speak to you concerning bread, to beware of the leaven of the Pharisees and the Sadducees.
Matthew 24:24-25
for false Christs and false prophets will rise up, and give great signs and wonders; so as to deceive even the elect, if possible.
Mark 13:22-23
For false Christs and false prophets will arise, and give signs and wonders, to deceive even the elect, if possible.
John 16:4
But I have spoken these things to you, that when the hour may come, you may remember them, that I did say them to you. But I said not these things to you from the beginning, because I was with you.
Acts 2:42
and they were persevering in the teaching of the apostles and fellowship, in the breaking of bread, and in prayers.
Romans 16:18
For such do not serve our Lord Christ, but their own stomach; and through fair speeches and eulogies deceive the hearts of the innocent.
1 Corinthians 10:12
So let him who thinks he stands take heed lest he may fall.
1 Corinthians 15:58
So, my beloved brethren, be ye stedfast, unmoveable, always abounding in the work of the Lord, knowing that your labor is not in vain in the Lord.
2 Corinthians 11:3
but I fear, lest, as the serpent beguiled Eve by his craftiness, your minds may be corrupted from the simplicity which is in Christ.
2 Corinthians 11:13-15
For such are false apostles, deceitful workers, transforming themselves into the apostles of Christ.
Ephesians 4:14
in order that we may be no longer infants, tossed by the waves and carried about by every wind of teaching, in the caprice of the people, in their craftiness, pursuant to their method of delusion;
Philippians 3:2
Beware of dogs, beware of the evil workers, beware of the counterfeit circumcision.
Colossians 2:5
For if I am absent in the flesh, but I am present with you in spirit, rejoicing and seeing your order, and the establishment of your faith toward Christ.
Colossians 2:8
See that no one shall be deceiving you through philosophy and empty delusion, according to the tradition of men, according to the elements of the world, and not according to Christ,
2 Timothy 4:15
Whom you also watch for he resisted our words exceedingly.
Hebrews 3:14
for we have been made partakers of Christ, if indeed we may hold fast the beginning of confidence firm unto the end.
1 Peter 5:9
whom resist stedfast in the faith, knowing that it is for you to complete the same sufferings in this world along with your brotherhood.
2 Peter 1:10-12
Therefore, brethren, be the more diligent to make your calling and election sure: for doing these things you can never fall.
2 Peter 2:18-22
For speaking swelling words of vanity, in the lusts of the flesh they beguile with their impurities, those that have but partially escaped, who are still moving about in their delusion;
Revelation 2:5
Remember therefore whence you have fallen, and repent, and do your first works; lest I come to you, and shall move your candlestick out of its place, if you do not repent.