John 3:9

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

Then the Jews contended with each other, saying, How can this man give us his flesh to eat?

Many therefore of his disciples, who heard him, said, Difficult is this discourse, who is able to fathom it?

And Mary said, How shall this be, seeing I know not man?

And looking up, he said, I see men walking, as trees.

Nicodemus saith unto 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?

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 it shall be opened.

When said they to him, How were thine eyes opened?