Galatians 6:3

For if any man reputes himself to be something, being nothing, he deceives himself;

1 Corinthians 3:18

Let no one deceive himself: if any one thinks himself to be wise among you in this world, let him become foolish, that he may be wise.

2 Corinthians 12:11

I have become a fool; ye have compelled me; for I ought to have been commended by you; for I have been nothing behind those who were in surpassing degree apostles, if also I am nothing.

Romans 12:3

For I say, through the grace which has been given to me, to every one that is among you, not to have high thoughts above what he should think; but to think so as to be wise, as God has dealt to each a measure of faith.

1 Corinthians 8:2

If any one think he knows anything, he knows nothing yet as he ought to know it.

Galatians 2:6

But from those who were conspicuous as being somewhat whatsoever they were, it makes no difference to me: God does not accept man's person; for to me those who were conspicuous communicated nothing;

Proverbs 25:14

Clouds and wind without rain, so is a man that boasteth himself of a false gift.

Proverbs 26:12

Hast thou seen a man wise in his own eyes? There is more hope of a fool than of him.

Luke 18:11

The Pharisee, standing, prayed thus to himself: God, I thank thee that I am not as the rest of men, rapacious, unjust, adulterers, or even as this tax-gatherer.

Romans 12:16

Have the same respect one for another, not minding high things, but going along with the lowly: be not wise in your own eyes:

1 Corinthians 13:2

And if I have prophecy, and know all mysteries and all knowledge, and if I have all faith, so as to remove mountains, but have not love, I am nothing.

2 Corinthians 3:5

not that we are competent of ourselves to think anything as of ourselves, but our competency is of God;

2 Timothy 3:13

But wicked men and juggling impostors shall advance in evil, leading and being led astray.

James 1:22

But be ye doers of the word and not hearers only, beguiling yourselves.

James 1:26

If any one think himself to be religious, not bridling his tongue, but deceiving his heart, this man's religion is vain.

1 John 1:8

If we say that we have no sin, we deceive ourselves, and the truth is not in us.

Treasury of Scripture Knowledge

Bible References

If

Galatians 2:6
But from those who were conspicuous as being somewhat whatsoever they were, it makes no difference to me: God does not accept man's person; for to me those who were conspicuous communicated nothing;
Proverbs 25:14
Clouds and wind without rain, so is a man that boasteth himself of a false gift.
Proverbs 26:12
Hast thou seen a man wise in his own eyes? There is more hope of a fool than of him.
Luke 18:11
The Pharisee, standing, prayed thus to himself: God, I thank thee that I am not as the rest of men, rapacious, unjust, adulterers, or even as this tax-gatherer.
Romans 12:3
For I say, through the grace which has been given to me, to every one that is among you, not to have high thoughts above what he should think; but to think so as to be wise, as God has dealt to each a measure of faith.
1 Corinthians 3:18
Let no one deceive himself: if any one thinks himself to be wise among you in this world, let him become foolish, that he may be wise.
1 Corinthians 8:2
If any one think he knows anything, he knows nothing yet as he ought to know it.

When

1 Corinthians 13:2
And if I have prophecy, and know all mysteries and all knowledge, and if I have all faith, so as to remove mountains, but have not love, I am nothing.
2 Corinthians 3:5
not that we are competent of ourselves to think anything as of ourselves, but our competency is of God;
2 Corinthians 12:11
I have become a fool; ye have compelled me; for I ought to have been commended by you; for I have been nothing behind those who were in surpassing degree apostles, if also I am nothing.

He deceiveth

1 Corinthians 3:18
Let no one deceive himself: if any one thinks himself to be wise among you in this world, let him become foolish, that he may be wise.
2 Timothy 3:13
But wicked men and juggling impostors shall advance in evil, leading and being led astray.
James 1:22
But be ye doers of the word and not hearers only, beguiling yourselves.
1 John 1:8
If we say that we have no sin, we deceive ourselves, and the truth is not in us.

General references

Proverbs 14:12
There is a way that seemeth right unto a man, but the end thereof is the ways of death.
1 Corinthians 3:7
So that neither the planter is anything, nor the waterer; but God the giver of the increase.