John 3:9

Nicodemus answered and said to him, How can these things be?

The Jews therefore contended with one another, saying, How can this man give us his flesh to eat?

Many therefore of his disciples, when they heard this, said, This teaching is hard; who can listen to it?

Then said Mary to the angel, How shall this be, since I know not a man?

And he looked up, and said, I can see men, for I see them as trees, walking.

Nicodemus saith to him, How can a man be born when he is old? Can he enter his mothers womb a second time, and be born?

Treasury of Scripture Knowledge

Nicodemus answered and said unto him, How can these things be?

For every one that asketh, receiveth; and he that seeketh, findeth; and to him that knocketh, the door will be opened.

They said therefore to him How then were thine eyes opened?