John Calvin's Commentary on the Bible - John 3:6
Verse 6 6.That which is born of the flesh. By reasoning from contraries, he argues that the kingdom of God is shut against us, unless an entrance be opened to us by a new birth, ( παλιγγενεσία) For he takes for granted, that we cannot enter into the kingdom of God unless we are spiritual. But we bring nothing from the womb but a carnal nature. Therefore it follows, that we are naturally banished from the kingdom of God, and, having been deprived of the heavenly life, remain under the yoke of... read more
Adam Clarke's Commentary on the Bible - John 3:9
How can these things be? - Our Lord had very plainly told him how these things could be, and illustrated the new birth by one of the most proper similes that could be chosen; but so intent was this great man an making every thing submit to the testimony of his senses that he appears unwilling to believe any thing, unless he can comprehend it. This is the case with many - they profess to believe because they comprehend; but they are impostors who speak thus: there is not a man in the universe... read more