Luke
Acts 20:20BSB·traditional attribution

I did not shrink back from declaring anything that was helpful to you as I taught you publicly and from house to house,

John Calvin Reformed @genevareformer

20. I have kept back nothing. He commendeth his faithfulness and diligence in teaching in three respects, that he instructed his scholars thoroughly and perfectly, so that he omitted nothing which might make for their salvation; that being not content with general preaching, he did also endeavor to do every man good.

Matthew Henry Presbyterian @wholebiblehenry

It should seem the ship Paul and his companions were embarked in for Jerusalem attended him on purpose, and staid or moved as he pleased; for when he came to Miletus, he went ashore, and tarried thee so long as to send for the elders of Ephesus to come to him thither; for if he had gone up to Ephesus, he could never have got away from them.

Commenting on Acts 20:17-35

John Gill Reformed Baptist @doctorgill

Testifying both to the Jews, and also to the Greeks,.... To the Jews first in their synagogue, and then to both Jews and Greeks, or Gentiles, in the school of Tyrannus; opening and explaining to both the nature and use, urging and insisting upon, and proving by undeniable testimonies the necessity, of repentance toward God and faith toward our Lord Jesus Christ: the former of...