1 John 1:8; 1 John 2:26; 1 John 3:7

1 John 1:8

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

1 John 2:26

26 These things have I written unto you concerning them that seduce you.

1 John 3:7

7 Little children, let no man deceive you: he that doeth righteousness is righteous, even as he is righteous.