2 Corinthians 11:3

but I fear lest as the serpent deceived Eve with his craftiness, so also your minds may be corrupted from the simplicity which is in Christ.

Revelation 12:9

And the great dragon, the old serpent, who is called the devil and Satan, and who deceives all the world, was cast to the earth, and his angels were cast [to the earth] with him.

John 8:44

You are of your father the devil, and the desires of your father you will to do. He was a murderer from the beginning and stood not by the truth; for truth is not in him. When he speaks a lie, he speaks from his own; for he is a liar, and the father of him [that lies].

1 Timothy 2:14

And Adam was not deceived; but the woman being deceived fell into transgression;

Galatians 1:6

I wonder that you have so quickly turned away from him that called you in the grace of Christ to another gospel,

Galatians 3:1

O FOOLISH Galatians, who has fascinated you, before whose eyes Jesus Christ has been set forth among you crucified?

Colossians 2:4

But I say this that no one may mislead you with persuasive words.

Colossians 2:8

See that no one leads you off as a prey through philosophy and vain deceit, according to the tradition of men, according to the rudiments of the world, and not according to Christ,

Matthew 24:24

For false Christs and false prophets shall be raised up, and shall show great signs and wonders, so as to deceive, if possible, even the elect.

Acts 20:30-31

and of yourselves men will arise speaking perverse things, to draw away disciples after them.

Romans 12:8

if one exhorts in the exhortation, he that gives, with simplicity, he that rules, with diligence, he that exercises mercy, with cheerfulness.

Romans 16:18-19

for such serve not our anointed Lord, but themselves, And by kind and complimentary words deceive the minds of the simple.

2 Corinthians 1:12

For this is our rejoicing; the testimony of our conscience that in purity and godly sincerity, not with a carnal wisdom, but with a divine grace, we have conducted ourselves in the world, and most abundantly towards you.

2 Corinthians 2:17

For we are not as many, who adulterate the word of God, [for gain]; but as of sincerity, but as of God, we speak before God in Christ.

2 Corinthians 4:2

but have renounced the hidden things of shame, not walking in craftiness nor handling the word of God deceitfully, but commending ourselves by the manifestation of the truth to every conscience of men before God.

2 Corinthians 11:13-15

For such false apostles, deceitful laborers, transform themselves into apostles of Christ.

2 Corinthians 11:29

Who is weak, and I am not weak? Who is offended, and I am not displeased?

2 Corinthians 12:20-21

For I fear lest when I come I shall not find you such as I wish, and that I shall be found such as you wish not; lest there shall be strife, envy, anger, contentions, evil speakings, whisperings, pride, dissensions;

Galatians 2:4

but on account of false brothers brought in secretly to act as spies against our liberty which we have in Christ Jesus, to bring us into servitude,

Galatians 4:11

I am afraid of you, lest I have expended labor on you in vain.

Ephesians 4:14

that we may be no longer children, driven about like waves and carried about with every wind of doctrine, by the art of men, and the craftiness of deceitful wiles,

Ephesians 6:24

The grace be with all who love our Lord Jesus Christ with constancy.

Philippians 3:18-19

For many walk, of whom I told you often and now also tell you weeping, that they are enemies of the cross of Christ;

Colossians 2:18

Let no one wishing [it] deprive you of your reward by humility and a worship of angels, intruding into what he has not seen, vainly puffed up by his carnal mind,

1 Thessalonians 3:5

For this reason, being no longer able to forbear, I sent to know your faith, lest in some way the tempter should have tempted you, and our labor be in vain.

2 Thessalonians 2:3-11

Let no one deceive you in any way, for [he shall not come] unless the apostacy comes first, and the man of sin is revealed, the son of destruction,

1 Timothy 1:3

As I requested you to remain at Ephesus, when going into Macedonia, that you might charge some not to preach another doctrine,

1 Timothy 4:1-4

But the Spirit says expressly, that in the last times some shall apostatize from the faith, attending to lying spirits and doctrines of demons,

2 Timothy 3:1-9

AND know this, that in the last days perilous times shall come.

2 Timothy 3:13

But evil men and impostors will grow worse and worse, deceiving and being deceived.

2 Timothy 4:3-4

for the time will come when they will not endure sound instruction, but will accumulate for themselves teachers according to their desires, pleasing their ear,

Titus 1:10

For there are many disorderly wranglers and deceivers, especially those of the circumcision,

Hebrews 13:9

Be not carried about with various and strange doctrines; for it is good that the mind should be established with grace, not with aliments, in which those walking are not profited.

2 Peter 2:1-14

But there were also false prophets among the people, as there shall also be false teachers among you, who shall bring in by stealth destructive heresies, even denying the master that bought them, bringing on themselves swift destruction;

2 Peter 3:3

knowing this first, that in the last days scoffers shall come with scoffing walking after their inordinate desires,

2 Peter 3:17

Do you therefore, beloved, knowing [these things] before, be on your guard not to be carried away with the error of the wicked and fall from your steadfastness,

1 John 2:18

Little children, it is the last time; and as you heard that antichrist is coming, even now many have become anti-christs; whence we know that it is the last time.

1 John 4:1

BELOVED, believe not every spirit, but prove the spirits whether they are of God; for many false prophets have gone out into the world.

Jude 1:4

For some men have come in by deception, who were of old appointed to this judgment, impious, changing the grace of our God into lewdness, and denying our only master and Lord, Jesus Christ.

Revelation 20:2

And he took the dragon, which is the old serpent, who is the devil and Satan, and bound him a thousand years,

Treasury of Scripture Knowledge

Bible References

I fear

2 Corinthians 11:29
Who is weak, and I am not weak? Who is offended, and I am not displeased?
2 Corinthians 12:20
For I fear lest when I come I shall not find you such as I wish, and that I shall be found such as you wish not; lest there shall be strife, envy, anger, contentions, evil speakings, whisperings, pride, dissensions;
Galatians 1:6
I wonder that you have so quickly turned away from him that called you in the grace of Christ to another gospel,
Galatians 3:1
O FOOLISH Galatians, who has fascinated you, before whose eyes Jesus Christ has been set forth among you crucified?
Galatians 4:11
I am afraid of you, lest I have expended labor on you in vain.
Philippians 3:18
For many walk, of whom I told you often and now also tell you weeping, that they are enemies of the cross of Christ;

As

John 8:44
You are of your father the devil, and the desires of your father you will to do. He was a murderer from the beginning and stood not by the truth; for truth is not in him. When he speaks a lie, he speaks from his own; for he is a liar, and the father of him [that lies].
1 Timothy 2:14
And Adam was not deceived; but the woman being deceived fell into transgression;
Revelation 12:9
And the great dragon, the old serpent, who is called the devil and Satan, and who deceives all the world, was cast to the earth, and his angels were cast [to the earth] with him.
Revelation 20:2
And he took the dragon, which is the old serpent, who is the devil and Satan, and bound him a thousand years,

So

2 Corinthians 11:13
For such false apostles, deceitful laborers, transform themselves into apostles of Christ.
2 Corinthians 2:17
For we are not as many, who adulterate the word of God, [for gain]; but as of sincerity, but as of God, we speak before God in Christ.
2 Corinthians 4:2
but have renounced the hidden things of shame, not walking in craftiness nor handling the word of God deceitfully, but commending ourselves by the manifestation of the truth to every conscience of men before God.
Matthew 24:24
For false Christs and false prophets shall be raised up, and shall show great signs and wonders, so as to deceive, if possible, even the elect.
Acts 20:30
and of yourselves men will arise speaking perverse things, to draw away disciples after them.
Galatians 1:6
I wonder that you have so quickly turned away from him that called you in the grace of Christ to another gospel,
Galatians 2:4
but on account of false brothers brought in secretly to act as spies against our liberty which we have in Christ Jesus, to bring us into servitude,
Galatians 3:1
O FOOLISH Galatians, who has fascinated you, before whose eyes Jesus Christ has been set forth among you crucified?
Ephesians 4:14
that we may be no longer children, driven about like waves and carried about with every wind of doctrine, by the art of men, and the craftiness of deceitful wiles,
Ephesians 6:24
The grace be with all who love our Lord Jesus Christ with constancy.
Colossians 2:4
But I say this that no one may mislead you with persuasive words.
2 Thessalonians 2:3
Let no one deceive you in any way, for [he shall not come] unless the apostacy comes first, and the man of sin is revealed, the son of destruction,
1 Timothy 1:3
As I requested you to remain at Ephesus, when going into Macedonia, that you might charge some not to preach another doctrine,
1 Timothy 4:1
But the Spirit says expressly, that in the last times some shall apostatize from the faith, attending to lying spirits and doctrines of demons,
2 Timothy 3:1
AND know this, that in the last days perilous times shall come.
2 Timothy 4:3
for the time will come when they will not endure sound instruction, but will accumulate for themselves teachers according to their desires, pleasing their ear,
Titus 1:10
For there are many disorderly wranglers and deceivers, especially those of the circumcision,
Hebrews 13:9
Be not carried about with various and strange doctrines; for it is good that the mind should be established with grace, not with aliments, in which those walking are not profited.
2 Peter 2:1
But there were also false prophets among the people, as there shall also be false teachers among you, who shall bring in by stealth destructive heresies, even denying the master that bought them, bringing on themselves swift destruction;
2 Peter 3:3
knowing this first, that in the last days scoffers shall come with scoffing walking after their inordinate desires,
1 John 2:18
Little children, it is the last time; and as you heard that antichrist is coming, even now many have become anti-christs; whence we know that it is the last time.
1 John 4:1
BELOVED, believe not every spirit, but prove the spirits whether they are of God; for many false prophets have gone out into the world.
Jude 1:4
For some men have come in by deception, who were of old appointed to this judgment, impious, changing the grace of our God into lewdness, and denying our only master and Lord, Jesus Christ.
Revelation 12:9
And the great dragon, the old serpent, who is called the devil and Satan, and who deceives all the world, was cast to the earth, and his angels were cast [to the earth] with him.

The simplicity

2 Corinthians 1:12
For this is our rejoicing; the testimony of our conscience that in purity and godly sincerity, not with a carnal wisdom, but with a divine grace, we have conducted ourselves in the world, and most abundantly towards you.
Romans 12:8
if one exhorts in the exhortation, he that gives, with simplicity, he that rules, with diligence, he that exercises mercy, with cheerfulness.
Romans 16:18
for such serve not our anointed Lord, but themselves, And by kind and complimentary words deceive the minds of the simple.

General references

1 Corinthians 3:11
For no one can lay another foundation besides that laid, which is Christ Jesus.
2 Corinthians 2:11
that we may not be circumvented by Satan; for we are not ignorant of his devices.
1 Timothy 2:14
And Adam was not deceived; but the woman being deceived fell into transgression;