John 16:7-11

Nevertheless I tell you the truth; It is expedient for you that I go away: for if I go not away, the Comforter will not come unto you; but if I go, I will send him unto you. And he, when he is come, will convict the world in respect of sin, and of righteousness, and of judgement: of sin, because they believe not on me; of righteousness, because I go to the Father, and ye behold me no more; of judgement, because the prince of this world hath been judged.