1 John 2:4; 1 John 2:22

1 John 2:4

4 He who says, "I know him," and doesn't keep his mitzvot, is a liar, and the truth is not in him.

1 John 2:22

22 Who is the liar but he who denies that Yeshua is the Messiah? This is the Anti-messiah, he who denies the Father and the Son.