Acts 16:31 (BSB)

They replied, “Believe in the Lord Jesus and you will be saved, you and your household.”

From Acts 16. Also in the ESV.

Commentary on Acts 16:31

• John Calvin (Reformed), Calvin's Commentaries on Acts 16:31: 31. Believe in the Lord Jesus. This is but a short, and, to look to, a cold and hungry definition of salvation, and yet it is perfect to believe in Christ. For Christ alone hath all the parts of blessedness and eternal life included in him, which he offereth to us by the gospel; and by faith we receive them, as I have declared, (Acts...
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Acts 16:25-34: We have here the designs of the persecutors of Paul and Silas baffled and broken. I. The persecutors designed to dishearten and discourage the preachers of the gospel, and to make them sick of the cause and weary of their work; but here we find them both hearty and heartened. 1.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Acts 16:31: And they said, believe in the Lord Jesus Christ,.... Not with a bare historical faith, as only to believe that he was the Son of God, and the Messiah, and that he was come in the flesh, and had suffered, and died, and rose again, and was now in heaven at the right hand of God, and would come again to judge both quick and...
• Albert Barnes (Presbyterian), Barnes' New Testament Notes on Acts 16:31: Verse 31. Believe on the Lord Jesus Christ. This was a simple, a plain, and an effectual direction. They did not direct him to use the means of grace, to pray, or to continue to seek for salvation. They did not advise him to delay, or to wait for the mercy of God.