Luke
Acts 21:21ESV·traditional attribution

and they have been told about you that you teach all the Jews who are among the Gentiles to forsake Moses, telling them not to circumcise their children or walk according to our customs.

Matthew Henry Presbyterian @wholebiblehenry

In these verses we have, I. Paul's journey to Jerusalem from Caesarea, and the company that went along with him. 1. They took up their carriages, their bag and baggage, and as it should seem, like poor travellers or soldiers, were their own porters; so little had they of change of raiment. Omnia mea mecum porto - My property is all about me.

Commenting on Acts 21:15-26

John Gill Reformed Baptist @doctorgill

And they are informed of thee,.... By persons that came from the several parts of the Gentile world, where the apostle had been preaching; and by letters which came from the Jews in those parts, who were no friends to the apostle's ministry: that thou teachest all the Jews which are among the Gentiles, to forsake Moses: or "apostatize from Moses"; that is, the law...

Albert Barnes Presbyterian @notesbybarnes

Verse 21. And they are informed of thee. Reports respecting the conduct of Paul would be likely to be in circulation among all at Jerusalem. His remarkable conversion; his distinguished zeal; his success among the Gentiles, would make his conduct a subject of special interest.