Galatians 3:28 (BSB)

There is neither Jew nor Greek, slave nor free, male nor female, for you are all one in Christ Jesus.

From Galatians 3. Also in the ESV.

Commentary on Galatians 3:28

• John Calvin (Reformed), Calvin's Commentaries on Galatians 3:28: 28. There is neither Jew nor Greek. The meaning is, that there is no distinction of persons here, and therefore it is of no consequence to what nation or condition any one may belong: nor is circumcision any more regarded than sex or civil rank. And why? Because Christ makes them all one. Whatever may have been their former differences, Christ alone is able to unite them all.
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Galatians 3:19-29: The apostle having just before been speaking of the promise made to Abraham, and representing that as the rule of our justification, and not the law, lest they should think he did too much derogate from the law, and render it altogether useless, he thence takes occasion to discourse of the design and tendency of it, and to acquaint us for what purposes it was given.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Galatians 3:28: There is neither Jew nor Greek,.... Not but that there were such in being; and in the churches of Christ, for the primitive churches consisted of both; but the meaning is, that there is no difference between them, the middle wall of partition being broken down, and that, in the business of justification and salvation, it signified nothing whether a man was a Jew or...
• Albert Barnes (Presbyterian), Barnes' New Testament Notes on Galatians 3:28: Verse 28. There is neither Jew nor Greek. All are on a level; all are saved in the same way; all are entitled to the same privileges. There is no favoritism on account of birth, beauty, or blood. All confess that they are sinners; all are saved by the merits of the same Saviour; all are admitted to the same privileges as children of God.