John 3:6-10

That which is born of the flesh is flesh; and that which is born of the Spirit is spirit.

Marvel not that I said unto thee, Ye must be born again.

The wind bloweth where it listeth, and thou hearest the sound thereof, but canst not tell whence it cometh, and whither it goeth: so is every one that is born of the Spirit.

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

Jesus answered and said unto him, Art thou a master of Israel, and knowest not these things?