1 Now there was a man of the Pharisees named Nicodemus, a ruler of the Jews. 2 The same came to him by night, and said to him, "Rabbi, we know that you are a teacher come from God, for no one can do these signs that you do, unless God is with him."
… 4 Nicodemus said to him, "How can a man be born when he is old? Can he enter a second time into his mother's womb, and be born?"
… 9 Nicodemus answered him, "How can these things be?"