John 3:4
"How can a man be born when he is old?" Nicodemus replied; "Can he enter a second time into his mother's womb, and be born?"
John 3:3
"In very truth I tell you," answered Jesus, "that unless a man is born from above, he cannot see the kingdom of God."
John 4:11-12
"Sir," said the woman, "you have nothing to draw with, and the well is deep; whence have you that living water?
John 6:53
"I tell you solemnly," said Jesus, "that unless you eat the flesh of the Son of man, and drink his blood, you have no life in you.
John 6:60
So many of his disciples, when they heard it, said: "This teaching is unbelievable! Who can listen to him?"
1 Corinthians 1:18
For the message of the Cross is indeed for those on their way to destruction, foolishness; but for us who are on our way to salvation it is the power of God.
1 Corinthians 2:14
The unspiritual man rejects the teachings of God's Spirit; for him it is folly. He cannot understand it, for it is spiritually discerned,