John 3:4
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?"
John 3:3
Jesus answered him, "Truly, truly, I say to you, unless one is born again, he cannot see the kingdom of God."
John 4:11-12
The woman said to him, "Sir, you have nothing to draw with, and the well is deep. Where do you get that living water?
John 6:53
So Jesus said to them, "Truly, truly, I say to you, unless you eat the flesh of the Son of Man and drink his blood, you have no life in you.
John 6:60
Many of his disciples, when they heard it, said, "This is a hard saying; who can listen to it?"
1 Corinthians 1:18
For the word of the cross is foolishness to those who are perishing, but to us who are being saved it is the power of God.
1 Corinthians 2:14
But the natural man does not accept the things of the Spirit of God, for they are foolishness to him; and he cannot understand them, because they are spiritually discerned.