1 Timothy 4:3 (BSB)

They will prohibit marriage and require abstinence from certain foods that God has created to be received with thanksgiving by those who believe and know the truth.

From 1 Timothy 4. Also in the ESV.

Commentary on 1 Timothy 4:3

• John Calvin (Reformed), Calvin's Commentaries on 1 Timothy 4:1-16: CHAPTER 4 1 Timothy 4:1-5 1. Now the Spirit speaketh expressly, that in the latter times some shall depart from the faith, giving heed to seducing spirits, and doctrines of devils; 1. Spiritus autem clare dicit, quod in posterioribus temporibus desciscent quidam a fide, attendentes spiritibus impostoribus, et doctrinis daemoniorum. 2. Speaking lies in hypocrisy; having their conscience seared with a hot iron; 2.
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on 1 Timothy 4:1-5: We have here a prophecy of the apostasy of the latter times, which he had spoken of as a thing expected and taken for granted among Christians, 2 Th. 2. I. In the close of the foregoing chapter, we had the mystery of godliness summed up; and therefore very fitly, in the beginning of this chapter, we have the mystery of iniquity summed up: The...
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on 1 Timothy 4:3: Forbidding to marry,.... Which points out not the Encratites, Montanists, and Manichees, who spoke against marriage; but the Papists, who forbid it to their priests under a pretence of purity and holiness, and at the same time allow them to live in all manner of debauchery and uncleanness; for these are the persons that forbid marriage in an authoritative way, and in hypocrisy: for that...
• Albert Barnes (Presbyterian), Barnes' New Testament Notes on 1 Timothy 4:3: Verse 3. Forbidding to marry. That is, "They will depart from the faith through the hypocritical teaching--of those who forbid to marry." . This does not necessarily mean that they would prohibit marriage altogether, but that it would be a characteristic of their teaching that marriage would be forbidden, whether of one class of persons or many. They would commend and enjoin celibacy and virginity.