Romans 10:10

for with the heart it is believed unto righteousness; and with the mouth it is confessed unto salvation.

1 John 1:8-10

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

Treasury of Scripture Knowledge

Summary

And it shall be, when he shall be guilty in one of these things, that he shall confess that he hath sinned in that thing:

Bible References

Confess

Romans 10:10
for with the heart it is believed unto righteousness; and with the mouth it is confessed unto salvation.
1 John 1:8
But if we say that we have no sin, we deceive ourselves, and the truth is not in us.