1 Timothy 4:12 (BSB)

Let no one despise your youth, but set an example for the believers in speech, in conduct, in love, in faith, in purity.

From 1 Timothy 4. Also in the ESV.

Commentary on 1 Timothy 4:12

• 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 4:6-16: The apostle would have Timothy to instil into the minds of Christians such sentiments as might prevent their being seduced by the judaizing teachers. Observe, Those are good ministers of Jesus Christ who are diligent in their work; not that study to advance new notions, but that put the brethren in remembrance of those things which they have received and heard.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on 1 Timothy 4:12: Till I come,.... To Ephesus; where the apostle hoped to be shortly, but was prevented; he afterwards came to Miletus, and sent for the elders of Ephesus thither, when he took his final leave of them. He mentions this circumstance, not as if Timothy was to attend to the following things no longer, but to quicken him to an attendance to them from the consideration...
• Albert Barnes (Presbyterian), Barnes' New Testament Notes on 1 Timothy 4:12: Verse 12. Let no man despise thy youth. That is, do not act in such a manner that any shall despise you on account of your youth. Act as becomes a minister of the gospel in all things, and in such a way that men will respect you as such, though you are young.