John 3:4
Nicodemus says to him, How can a man be born, being an old man? he cannot come in a second time to his mother's belly, and be born.
John 3:3
Jesus answered and said to him, Amen, amen, I say to thee, Except any one be born from above, he cannot see the kingdom of God.
John 4:11-12
The woman says to him, Lord, thou hest no vessel for drawing, and the well is deep; whence then hast thou the living water?
John 6:53
Then said Jesus to them, Truly, truly, I say to you, except ye eat the flesh of the Son of man, and drink his blood, ye have no life in yourselves.
John 6:60
Then many of his disciples, having heard, said, This is a hard word; who can hear it
1 Corinthians 1:18
For truly the word of the cross to them perishing is foolishness; but to us saved it is the power of God.
1 Corinthians 2:14
And the natural man receives not the things of the Spirit of God: for they are foolishness to him: and he cannot know, for they are spiritually examined.