John the Apostle
Revelation 2:2ESV·traditional attribution

“‘I know your works, your toil and your patient endurance, and how you cannot bear with those who are evil, but have tested those who call themselves apostles and are not, and found them to be false.

Matthew Henry Presbyterian @wholebiblehenry

We have here, I. The inscription, where observe, 1. To whom the first of these epistles is directed: To the church of Ephesus, a famous church planted by the apostle Paul (Acts 19), and afterwards watered and governed by John, who had his residence very much there.

Commenting on Revelation 2:1-7

John Gill Reformed Baptist @doctorgill

I know thy works,.... The good works, both of ministers and churches; no evil works are mentioned, nor anything complained of in this church but an abatement of the fervour of her first love. Christ, as the omniscient God, knows all the works of his people, and the springs, and principles, and ends, and views of them, whether they are done in obedience to him...

Albert Barnes Presbyterian @notesbybarnes

Verse 2. I know thy works. The common formula with which all the epistles to the seven churches are introduced. It is designed to impress upon them deeply the conviction that he was intimately acquainted with all that they did, good and bad, and that therefore he was abundantly qualified to dispense rewards or administer punishments according to truth and justice.