A bondservant doesn’t live in the house forever. A son remains forever.
I speak that which I have seen with my Father,.... This is an aggravation of the sin of the Jews, in seeking to kill Christ, on account of his doctrine, since it was not his own, but his Father's; was not merely human, but divine; was what he the only begotten Son, that lay in the bosom of his Father, had seen in his heart...
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
And the servant abideth not in the house for ever, but the Son abideth ever--that is, "And if your connection with the family of God be that of BOND-SERVANTS, ye have no natural tie to the house; your tie is essentially uncertain and precarious.