Everyone practicing sin also practices lawlessness – indeed, sin is lawlessness. Children, let no one mislead you! The one who practices righteousness is righteous, just as Yeshua is righteous. The one who practices sin is of the devil, for the devil has been sinning from the beginning. Ben-Elohim, (the Son of God) appeared for this purpose – to destroy the works of the devil. No one born of God practices sin, because God’s seed remains in him. He cannot sin, because he is born of God. (TLV) I John 3: 4, 7-9
Nosh: No matter how good someone appears to be or how attractively they present them self, if they practice sin or live an immoral life they are serving an evil purpose and are not a child of God. A person’s conduct, without exception, defines and reveals who they really are.