John Calvin Reformed @genevareformer

3. Grace be to you and peace. This form of salutation, which occurred in the other epistles, has received an explanation, to which I still adhere. Paul wishes for the Galatians a state of friendship with God, and, along with it, all good things; for the favor of God is the source from which we derive every kind of prosperity.

Matthew Henry Presbyterian @wholebiblehenry

In these verses we have the preface or introduction to the epistle, where observe, I. The person or persons from whom this epistle is sent - from Paul an apostle, etc., and all the brethren that were with him. 1. The epistle is sent from Paul; he only was the penman of it.

Commenting on Galatians 1:1-5

John Gill Reformed Baptist @doctorgill

Grace to be you,.... After the inscription above, in which the writer of the epistle, and the persons joined to him, are described, and the churches to whom it is written, follows the salutation in these words, and which is common to all the epistles of this apostle; of the sense of which; see Gill on Rom 1:7.