Nicodemus said unto him, How can a man be born when he is old? can he enter the second time into his mother's womb, and be born?
All Commentaries on John 3:4 Go To John 3
Haymo of Faversham
AD 1244
But Nicodemus being unable to take in so great and deep mysteries, our Lord helps him by the analogy of our carnal birth, saying, That which is born of the flesh is flesh, and that which is born of the Spirit is spirit. For as flesh generates flesh, so also does spirit, spirit.
Or, You can not tell whence it comes; i.e. you know not how He brings believers to the faith; or whither it goes, i.e. how He directs the faithful to their hope. And so is every one that is born of the Spirit; as if He said, The Holy Spirit is an invisible Spirit; and in like manner, everyone who is born of the Spirit is born invisibly.
