1 John 1:8

If we say that we are without sin, we deceive ourselves, and have no regard to truth.

James 3:2

for we are all liable to frequent mistakes. he that does not give too great a loose to his tongue, is an accomplish'd person and fit to moderate the whole church.

1 John 2:4

he that says, he knows him, and does not keep his commandments, is a lyar, and an enemy to the truth:

Romans 3:23

for all having sinned, all have forfeited eternal glory:

1 Corinthians 3:18

let no man deceive himself: if any among you pretends to worldly wisdom, let him commence fool, in order to be truly wise.

Galatians 6:3

for if a man thinks himself to be considerable, when he is not, he deceives himself.

1 Timothy 6:5

mischievous opinions, and a familiarity with pernicious ignorant impostors, who consider religion only as it makes for their gain.

2 Timothy 3:13

as for these impious impostors, they will go on from bad to worse, seducing others, and deluding themselves.

James 1:22

Don't delusively content your selves with being of the audience, but put what you hear in practice:

James 1:26

If a person of an ungovernable tongue pretends to religion, he abuses himself: for his religion is meer illusion.

2 Peter 2:13

they place their felicity in daily pleasure: they are a vile scandal to religion: when they are present at your love-feasts they indulge their luxury:

1 John 1:6

if we say that we have communion with him, and walk in darkness, we lye, and do not act sincerely:

1 John 1:10

if we say that we have not sinned, we impeach his veracity, and discredit his word.

1 John 3:5-6

and you know that he appear'd to abolish our sins; and that he was himself without sin.

2 John 1:2

in consideration of the true doctrine, we all profess, and in which we shall for ever persevere.

3 John 1:3

For I was greatly pleased when the brethren came and assured me of your fidelity and religious conduct.

Treasury of Scripture Knowledge

Summary

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

General references

Bible References

Say

1 John 1:6
if we say that we have communion with him, and walk in darkness, we lye, and do not act sincerely:
1 John 3:5
and you know that he appear'd to abolish our sins; and that he was himself without sin.
Romans 3:23
for all having sinned, all have forfeited eternal glory:
James 3:2
for we are all liable to frequent mistakes. he that does not give too great a loose to his tongue, is an accomplish'd person and fit to moderate the whole church.

We deceive

1 Corinthians 3:18
let no man deceive himself: if any among you pretends to worldly wisdom, let him commence fool, in order to be truly wise.
Galatians 6:3
for if a man thinks himself to be considerable, when he is not, he deceives himself.
2 Timothy 3:13
as for these impious impostors, they will go on from bad to worse, seducing others, and deluding themselves.
James 1:22
Don't delusively content your selves with being of the audience, but put what you hear in practice:
2 Peter 2:13
they place their felicity in daily pleasure: they are a vile scandal to religion: when they are present at your love-feasts they indulge their luxury:

General references

Hebrews 8:12
for I will pardon their iniquity, and their sins and their trangressions will I remember no more."