The Apostle Paul
Romans 16:16BSB·traditional attribution

Greet one another with a holy kiss. All the churches of Christ send you greetings.

John Calvin Reformed @genevareformer

16. Salute one another with a holy kiss It is clear from many parts of Scripture, that a kiss was a usual and common symbol of friendship among the Jews; it was perhaps less used by the Romans, though not unfrequent, only it was not lawful to kiss women, except those only who were relatives.

Matthew Henry Presbyterian @wholebiblehenry

Such remembrances as these are usual in letters between friends; and yet Paul, by the savouriness of his expressions, sanctifies these common compliments. I. Here is the recommendation of a friend, by whom (as some think) this epistle was sent - one Phebe, Rom 16:1, Rom 16:2.

Commenting on Romans 16:1-16

John Gill Reformed Baptist @doctorgill

Now I beseech you, brethren,.... The apostle being about to finish his epistle, and recollecting that he had not given this church any instructions about the false teachers, who had been the cause of all their differences and uneasiness, inserts them here; or he purposely put them in this place, amidst his salutations, that they might be taken the more notice of; and very pertinently...