3 And every man that hath this hope in him purifieth himself, even as he is pure.

4 Whosoever committeth sin transgresseth also the law: for sin is the transgression of the law.

5 And ye know that he was manifested to take away our sins; and in him is no sin.

6 Whosoever abideth in him sinneth not: whosoever sinneth hath not seen him, neither known him.

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

8 He that committeth sin is of the devil; for the devil sinneth from the beginning. For this purpose the Son of God was manifested, that he might destroy the works of the devil.

9 Whosoever is born of God doth not commit sin; for his seed remaineth in him: and he cannot sin, because he is born of God.

1 John 2:15
15 Love not the world, neither the things that are in the world. If any man love the world, the love of the Father is not in him.

Romans 3:25
25 Whom God hath set forth to be a propitiation through faith in his blood, to declare his righteousness for the remission of sins that are past, through the forbearance of God;

1 John 1:99 If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.