John Chrysostom

But there is also another explanation. There were among them many indeed who prophesied truly, but some prophesied falsely. For the devil, of his vile craft, wished through this gift of grace to subvert everything pertaining to the Church. For since both the demon and the Spirit prophesied concerning the future, the one indeed uttering falsehood, and the other truth, and it was not possible from any quarter to receive a proof of one or the other, He gave also the "discernings of spirits." Since therefore then also among the …

Homily on 1 Thessalonians 11 ↗

Clement of Alexandria

"Be at peace among yourselves. Now we admonish you, brethren, warn them who are unruly, comfort the feeble-minded, support the weak, be patient toward all men. See that none render evil for evil to any man. Quench not the Spirit. Despise not prophesyings. Prove all things: hold fast that which is good. Abstain from every form of evil."

The Instructor Book 3 ↗

Thomas Aquinas

Do not despise prophesying. For some among these people were gifted with prophecies but were considered insane by them. "Earnestly desire the spiritual gifts, especially that you may prophesy" (1 Cor. 14:1). Or else prophesying may be understood as divine doctrine; for those who explain divine doctrine are called prophets. In this case, do not despise the words of God and preachers. "For the word of the Lord has become for me a reproach and derision all day long" (Jer. 20:8).

Commentary on 1 Thessalonians ↗