Galatians 6:3

For if a man think himself to be something, when he is nothing, he deceiveth himself.

1 Corinthians 3:18

Let no man deceive himself. If any man among you seemeth to be wise in this world, let him become a fool, that he may be wise.

2 Corinthians 12:11

I am become a fool in glorying; ye have compelled me: for I ought to have been commended of you: for in nothing am I behind the very chiefest apostles, though I be nothing.

Romans 12:3

For I say, through the grace given unto me, to every man that is among you, not to think of himself more highly than he ought to think; but to think soberly, according as God hath dealt to every man the measure of faith.

1 Corinthians 8:2

And if any man think that he knoweth any thing, he knoweth nothing yet as he ought to know.

Galatians 2:6

But of these who seemed to be somewhat, (whatsoever they were, it maketh no matter to me: God accepteth no man's person:) for they who seemed to be somewhat in conference added nothing to me:

Proverbs 25:14

Whoso boasteth himself of a false gift is like clouds and wind without rain.

Proverbs 26:12

Seest thou a man wise in his own conceit? there is more hope of a fool than of him.

Luke 18:11

The Pharisee stood and prayed thus with himself, God, I thank thee, that I am not as other men are, extortioners, unjust, adulterers, or even as this publican.

Romans 12:16

Be of the same mind one toward another. Mind not high things, but condescend to men of low estate. Be not wise in your own conceits.

1 Corinthians 13:2

And though I have the gift of prophecy, and understand all mysteries, and all knowledge; and though I have all faith, so that I could remove mountains, and have not charity, I am nothing.

2 Corinthians 3:5

Not that we are sufficient of ourselves to think any thing as of ourselves; but our sufficiency is of God;

2 Timothy 3:13

But evil men and seducers shall wax worse and worse, deceiving, and being deceived.

James 1:22

But be ye doers of the word, and not hearers only, deceiving your own selves.

James 1:26

If any man among you seem to be religious, and bridleth not his tongue, but deceiveth his own 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 of these who seemed to be somewhat, (whatsoever they were, it maketh no matter to me: God accepteth no man's person:) for they who seemed to be somewhat in conference added nothing to me:
Proverbs 25:14
Whoso boasteth himself of a false gift is like clouds and wind without rain.
Proverbs 26:12
Seest thou a man wise in his own conceit? there is more hope of a fool than of him.
Luke 18:11
The Pharisee stood and prayed thus with himself, God, I thank thee, that I am not as other men are, extortioners, unjust, adulterers, or even as this publican.
Romans 12:3
For I say, through the grace given unto me, to every man that is among you, not to think of himself more highly than he ought to think; but to think soberly, according as God hath dealt to every man the measure of faith.
1 Corinthians 3:18
Let no man deceive himself. If any man among you seemeth to be wise in this world, let him become a fool, that he may be wise.
1 Corinthians 8:2
And if any man think that he knoweth any thing, he knoweth nothing yet as he ought to know.

When

1 Corinthians 13:2
And though I have the gift of prophecy, and understand all mysteries, and all knowledge; and though I have all faith, so that I could remove mountains, and have not charity, I am nothing.
2 Corinthians 3:5
Not that we are sufficient of ourselves to think any thing as of ourselves; but our sufficiency is of God;
2 Corinthians 12:11
I am become a fool in glorying; ye have compelled me: for I ought to have been commended of you: for in nothing am I behind the very chiefest apostles, though I be nothing.

He deceiveth

1 Corinthians 3:18
Let no man deceive himself. If any man among you seemeth to be wise in this world, let him become a fool, that he may be wise.
2 Timothy 3:13
But evil men and seducers shall wax worse and worse, deceiving, and being deceived.
James 1:22
But be ye doers of the word, and not hearers only, deceiving your own selves.
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 which seemeth right unto a man, but the end thereof are the ways of death.
1 Corinthians 3:7
So then neither is he that planteth any thing, neither he that watereth; but God that giveth the increase.

King James Version Public Domain