2 Peter 3:17
Do ye therefore, beloved, as ye know these things before, take heed least being seduced together with them by the error of the wicked, ye should fall from your own stedfastness.
Matthew 7:15
And beware of false prophets, who come to you in sheeps clothing, but inwardly they are ravenous wolves.
Matthew 16:6
and therefore when Jesus said to them, Take heed and beware of the leaven of the pharisees and of the sadducees,
Matthew 16:11
How is it then that ye do not understand that I did not speak to you concerning bread, when I bid you to beware of the leaven of the pharisees and of the sadducees?
Matthew 24:24-25
for there shall rise up false Christs, and false prophets, who shall shew great signs and prodigies, so as to deceive, if possible, even the elect.
Mark 13:22-23
for there shall rise up false Christs, and false prophets, who shall work signs and wonders, to seduce, if possible, even the elect.
John 16:4
But I have told you these things, that when the time cometh, ye may remember that I told you of them. Though I did not tell you of them at the beginning, because I was with you.
Acts 2:42
And they continued stedfast in the apostles doctrine, and fellowship, and in the breaking of bread, and in prayers.
Romans 16:18
and avoid them; for such people serve not our Lord Jesus Christ, but their own belly; and by a soothing address and good words deceive the hearts of the innocent.
1 Corinthians 10:12
Wherefore let him, that thinks he standeth, take heed least he fall.
1 Corinthians 15:58
Wherefore, my beloved brethren, be stedfast, unmoveable, always abounding in the work of the Lord, since ye know that your labor is not in vain in the Lord.
2 Corinthians 11:3
But I fear least as the serpent seduced Eve by his subtilty, so your minds should be corrupted from the purity that is in Christ.
2 Corinthians 11:13-15
For such are false apostles, deceitful workers, transformed into apostles of Christ.
Ephesians 4:14
That we may be no longer children fluctuating and carried about with every wind of doctrine, by the artful insinuations of men, and their crafty methods of deceiving;
Philippians 3:2
Beware of those that are like dogs, beware of evil doers, beware of the concision.
Colossians 2:5
For though I be absent in body, yet am I with you in spirit, rejoicing and beholding your regularity, and the stedfastness of your faith in Christ.
Colossians 2:8
Take heed least any one make a prey of you by philosophy and vain deceit, according to the tradition of men, after the elements of the world, and not after Christ:
2 Timothy 4:15
Of whom do thou also beware: for he hath greatly opposed our doctrine.
Hebrews 3:14
for we are made partakers of Christ, if we hold fast our first confidence firm unto the end; inasmuch as it is said,
1 Peter 5:9
whom resist, stedfast in the faith, knowing that the same sufferings are endured by your brethren in the world.
2 Peter 1:10-12
Wherefore, my brethren, be the more diligent thus to make your calling and election sure; for if ye do these things ye shall never fall.
2 Peter 2:18-22
For when they speak swelling words of vanity, they ensnare in the lusts of the flesh, through their lasciviousness, those who had indeed withdrawn from such as deal in error;
Revelation 2:5
Remember therefore from whence thou art fallen, and repent, and do the first works: else I will come unto thee quickly, and will remove thy candlestick out of its place, if thou repent not.