John 7:18

“He that speaketh of himself, etc.]. What he himself has devised, and is a scheme of his own; for which he has no divine warrant and commission: seeketh his own glory; honour and applause from men; as did the Scribes and Pharisees, who taught for doctrines the commandments of men, the traditions of the elders, their own glosses upon the law, and their own decisions and determinations: and as did the false teachers, who had nothing else in view but themselves, their worldly interest, or vain glory; these suited their doctrines to the minds and lusts of men, in order to gain their point: but he that seeketh his glory that sent him; that gave him in commission what he should say and speak, and…”

“seeketh his own glory--(See on Joh 5:41-44).”

“That speaketh of himself - This does not mean about or concerning himself, but he that speaks by his own authority, without being sent by God, as mere human teachers do. Seeketh his own glory - His own praise, or seeks for reputation and applause. This is the case with mere human teachers, and as Jesus in his discourses manifestly sought to honor God, they ought to have supposed that he was sent by him. No unrighteousness - This word here means, evidently, there is no falsehood, no deception in him. He is not an impostor. It is used in the same sense in 2 Thessalonians 2:10-12. It is true that there was no unrighteousness, no sin in Jesus Christ, but that is not the truth taught here. It is…”

“There is no unrighteousness in him - No deceit or falsehood. John 7:19”

“that speaketh: Joh 5:41, Joh 8:49, Joh 8:50; Co1 10:31-33; Gal 6:12-14; Phi 2:3-5; Th1 2:6; Pe1 4:11 seeketh his glory: Joh 3:26-30, Joh 11:4, Joh 12:28, Joh 13:31, Joh 13:32, Joh 17:4, Joh 17:5; Exo 32:10-13; Num 11:29; Pro 25:27; Mat 6:9 John 7:19”