Luke 12:9
But he that denieth me before men shall be denied before the angels of God.
1 John 2:22
Who is a liar but he that denieth that Jesus is the Christ? He is antichrist, that denieth the Father and the Son.
1 John 2:23
Whosoever denieth the Son, the same hath not the Father: (but) he that acknowledgeth the Son hath the Father also.