Jamieson, Fausset & Brown, on 1Cor 14:37

“If any seem to be a prophet, or spiritual, let him know the things that I write to you, that they are the commandments of the Lord.”

“prophet--the species. spiritual--the genus: spiritually endowed. The followers of Apollos prided themselves as "spiritual" (Co1 3:1-3; compare Gal 6:1). Here one capable of discerning spirits is specially meant. things that I write . . . commandments of the Lord--a direct assertion of inspiration. Paul's words as an apostle are Christ's words. Paul appeals not merely to one or two, but to a body of men, for the reality of three facts about which no body of men could possibly be mistaken: (1) that his having converted them was not due to mere eloquence, but to the "demonstration of the Spirit and of power"; (2) that part of this demonstration consisted in the communication of miraculous power, which they were then exercising so generally as to require to be corrected in the irregular employment of it; (3) that among these miraculous gifts was one which enabled the "prophet" or "spiritual person" to decide whether Paul's Epistle was Scripture or not. He could not have written so, unless the facts were notoriously true: for he takes them for granted, as consciously known by the whole body of men whom he addresses [HINDS, On Inspiration].”

Imported from an open dataset — not yet checked against the printed edition.