John 3:4
Nicodemus asked him, "How can a person be born when he is old? He can't go back into his mother's womb a second time and be born, can he?"
John 3:3
Jesus replied to him, "Truly, I tell you emphatically, unless a person is born from above he cannot see the kingdom of God."
John 4:11-12
The woman told him, "Sir, you don't have a bucket, and the well is deep. Where are you going to get this living water?
John 6:53
So Jesus told them, "Truly, I tell all of you emphatically, unless you eat the flesh of the Son of Man and drink his blood, you don't have life in yourselves.
John 6:60
When many of his disciples heard this, they said, "This is a difficult statement. Who can accept it?"
1 Corinthians 1:18
For the message about the cross is nonsense to those who are being destroyed, but it is God's power to us who are being saved.
1 Corinthians 2:14
A person who isn't spiritual doesn't accept the things of God's Spirit, for they are nonsense to him. He can't understand them because they are spiritually evaluated.