So He said to the Jews who had believed Him, “If you continue in My word, you are truly My disciples.
Then said Jesus to those Jews which believed on him, If ye continue in my word, [then] are ye my disciples indeed; (12) The true disciples of Christ continue in his doctrine, that profiting more and more in the knowledge of the truth they may be delivered from the most grievous burden of sin, into the true liberty of righteousness and life.
Amid the blazing golden lamps of the treasury at tabernacles, when all Jerusalem danced in joy, Christ proclaims in the most absolute sense: I am the Light of the World. The Baptist was a burning lamp sent to witness to that Light; but He alone is the true Light that lightens every man coming into the world, the Messiah promised of old.
AI summary
Commenting on John 8:12-59
Then said Jesus to those Jews who believed, If ye continue in my word, then are ye my disciples indeed, &c.--The impression produced by the last words of our Lord may have become visible by some decisive movement, and here He takes advantage of it to press on them "continuance" in the faith, since then only were they His real disciples (compare Joh 15:3-8), and...