John 3:4

"How is it possible," Nicodemus asked, "for a man to be born when he is old? Can he a second time enter his mother's womb and be born?"

"In most solemn truth I tell you," answered Jesus, "that unless a man is born anew he cannot see the Kingdom of God."

"Sir," she said, "you have nothing to draw with, and the well is deep; so where can you get the living water from?

"In most solemn truth I tell you," said Jesus, "that unless you eat the flesh of the Son of Man and drink His blood, you have no Life in you.

Many therefore of His disciples, when they heard it, said, "This is hard to accept. Who can listen to such teaching?"

For the Message of the Cross is foolishness to those who are on the way to perdition, but it is the power of God to those whom He is saving.

The unspiritual man rejects the things of the Spirit of God, and cannot attain to the knowledge of them, because they are spiritually judged.

Treasury of Scripture Knowledge

Nicodemus saith unto him, How can a man be born when he is old? can he enter the second time into his mother's womb, and be born?

In solemn truth I tell you that no one who does not receive the Kingdom of God like a little child will by any possibility enter it."