John 16:7-8

16:7 But I tell you the truth, it is to your advantage that I am going away. For if I do not go away, the Advocate will not come to you, but if I go, I will send him to you. 16:8 And when he comes, he will prove the world wrong concerning sin and righteousness and judgment –

John 16:13

16:13 But when he, the Spirit of truth, comes, he will guide you into all truth. For he will not speak on his own authority, but will speak whatever he hears, and will tell you what is to come.