1 Timothy 3:9 (BSB)

They must hold to the mystery of the faith with a clear conscience.

From 1 Timothy 3. Also in the ESV.

Commentary on 1 Timothy 3:9

• John Calvin (Reformed), Calvin's Commentaries on 1 Timothy 3:1-16: CHAPTER 3 1 Timothy 3:1-7 1. This is a true saying, If a man desire the office of a bishop, he desireth a good work. 1. Certus sermo, si quis episcopatum appetit, praeclarum opus desiderat. 2. A bishop then must be blameless, the husband of one wife, vigilant, sober, of good behaviour, given to hospitality, apt to teach; 2.
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on 1 Timothy 3:8-13: We have here the character of deacons: these had the care of the temporal concerns of the church, that is, the maintenance of the ministers and provision for the poor: they served tables, while the ministers or bishops gave themselves only to the ministry of the word and prayer, Act 6:2, Act 6:4.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on 1 Timothy 3:9: Holding the mystery of the faith,.... The doctrine of the Gospel, called the "faith", because it contains things to be believed; proposes Christ the object of faith; is the means by which faith comes, and is unprofitable without it: it is called "the mystery", because it is of divine revelation, and could have never been discovered by human reason; and now it is revealed, the...
• Albert Barnes (Presbyterian), Barnes' New Testament Notes on 1 Timothy 3:9: Verse 9. Holding the mystery of the faith. On the word mystery, . It means that which had been concealed, or hidden, but which was now revealed. The word faith, here, is synonymous with the gospel; and the sense is, that he should hold firmly the great doctrines of the Christian religion, which had been so long. concealed from men, but which were now revealed. The reason is obvious.