John 7:18

He that speaks of himself seeks his own glory: but he that seeks his glory that sent him, the same is true, and no unrighteousness is in him.
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Cornelius a Lapide

AD 1637
He that speaketh of Himself, &c But on the other hand Cyril concludes with, "He who seeks not God"s glory but his own, is a liar, and full of deceit"—a liar, because under pretence of observing the law he puts forth his own will; and full of deceit, because he dares to prefer his own commands to those of God. This then is the second proof that Christ gives, that He speaks not of Himself. Put logically it is thus, He that speaks for Himself seeks his own glory. But I seek not my own glory; therefore I speak not of Myself. Heretics and philosophers teach their own opinions, and call their followers after their own names. For in either case, it is desire for fame which causes heresies and sects. Unrighteousness, that is fraud, craft, deception, for Christ teaches sincerely and truly what he believes will please God and promote His glory, while others seek their own glory, and use flattery and other arts to extort it from men for themselves.

Cyril of Alexandria

AD 444
He giveth this evident proof that He doth not labour for His Own glory by His teaching, that He does not use any strange words and foreign to the law (for this were to speak of Himself), but that He is exhorting them rather to be obedient to the former oracles, while He removes only the unprofitable and gross shadow of the letter, and transforms it persuasively unto the spiritual sense, which already lay hid in types. What then He says in the Gospel according unto Matthew, I came not to destroy the Law, but to fulfil; this again He indirectly intimates here. For the Gospel polity hath but the transformation of the letter into the truth, and having transfashioned the Mosaic type unto what is more fitting, hath the knowledge of the worship in spirit. Christ therefore speaketh and not of Himself, that is, nothing diverse from the things already foretold. For He doth not put away Moses, nor doth He teach us to reject the instruction of the law, but over what had been shadowed out in type, ...

George Leo Haydock

AD 1849
He is true: seeketh truth, and not his own glory. (Witham)

John Chrysostom

AD 407
That is, He that desires to establish any doctrine of his own, desires to do so only that he himself may enjoy the glory. Now if I desire not to enjoy glory, wherefore should I desire to establish any doctrine of My own? He that speaks of himself, that is, who speaks anything peculiar or different from others, speaks on this account, that he may establish his own glory; but if I seek the glory of Him that sent Me, wherefore should I choose to teach other things? Do you see that there was a cause wherefore He said there too that He did nothing of Himself? c. v. 19, and 8:28 What was it? It was that they might believe that He desired not the honor of the many. Therefore when His words are lowly, I seek, He says, the glory of the Father, everywhere desiring to persuade them that He Himself loves not glory. Now there are many reasons for His using lowly words, as that He might not be deemed unbegotten, or opposed to God, His being clothed with flesh, the infirmity of His hearers, that He...

Knowing this first, that no prophecy of the scripture is of any private interpretation - 2 Peter 1:20

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