Commentaries
20:30,31 There were other signs and proofs of our Lord's resurrection, but these were committed to writing, that all might believe that Jesus was the promised Messiah, the Saviour of sinners, and the Son of God; that, by this faith, they might obtain eternal life, by his mercy, truth, and power. May we believe that Jesus is the Christ, and believing may we have life through his name.
31. But these are written—as sufficient specimens.
the Christ, the Son of God—the one His official, the other His personal, title.
believing … may have life—(See on [1923]Joh 6:51-54).