John Calvin's Commentary on the Bible - Titus 3:8
Verse 8 8A faithful saying He employs this mode of expression, when he wishes to make a solemn assertion as we have seen in both of the Epistles to Timothy. (1 Timothy 1:15; 2 Timothy 2:11.) And therefore he immediately adds: — I wish thee to affirm these things (263) Διαβεβαιοῦσθαι under a passive termination, has an active signification, and means “to affirm anything strongly.” Titus is therefore enjoined to disregard other matters, and to teach those which are certain and undoubted — to... read more
Adam Clarke's Commentary on the Bible - Titus 3:11
Is subverted - Is turned out of the way in which he may be saved, and consequently sinneth - enters into that way that leads to destruction. Being condemned of himself - This refers to the Judaizing teacher, who maintained his party and opinions for filthy lucre's sake. He was conscious of his own insincerity; and that he proclaimed not his system from a conscientious love of truth, but from a desire to get his livelihood. Were the Church in all countries, whether established by law or... read more