For the natural man is not able to take in the things of the Spirit of God: for they seem foolish to him, and he is not able to have knowledge of them, because such knowledge comes only through the Spirit.
Then the people in answer said to him, The law says that the Christ will have life without end: how say you then that it is necessary for the Son of man to be lifted up? Who is this Son of man?
Nicodemus said to him, How is it possible for a man to be given birth when he is old? Is he able to go into his mother's body a second time and come to birth again?
Then he said to them again, I am going away and you will be looking for me, but death will overtake you in your sins. It is not possible for you to come where I am going.
My dear children, I am only to be with you a little longer. Then you will be looking for me: and as I said to the Jews, so now I say to you, Where I am going you may not come.