John the Apostle
John 3:10BSB·traditional attribution

“You are Israel’s teacher,” said Jesus, “and you do not understand these things?

John Calvin Reformed @genevareformer

10. Thou art a teacher of Israel. As Christ sees that he is spending his time and pains to no purpose in teaching so proud a man, he begins to reprove him sharply. And certainly such persons will never make any progress, until the wicked confidence, with which they are puffed up, be removed.

Matthew Henry Presbyterian @wholebiblehenry

We found, in the close of the foregoing chapter, that few were brought to Christ at Jerusalem; yet here was one, a considerable one. It is worth while to go a great way for the salvation though but of one soul. Observe, I. Who this Nicodemus was. Not many mighty and noble are called; yet some are, and here was one.

Commenting on John 3:1-21

John Gill Reformed Baptist @doctorgill

Verily, verily, I say unto thee, we speak that we do know,.... Meaning either himself, and John the Baptist his forerunner, who preached the same doctrine of regeneration, internal sanctification, and evangelical repentance, as well as outward reformation, as necessary to entrance into the kingdom of heaven, or the Gospel dispensation, he declared was just at hand; or his disciples with himself, who were now...