John Wesley on Acts 17:23

I found an altar - Some suppose this was set up by Socrates, to express in a covert way his devotion to the only true God, while he derided the plurality of the heathen gods, for which he was condemned to death: and others, that whoever erected this altar, did it in honour to the God of Israel, of whom there was no image, and whose name Jehovah was never made known to the idolatrous Gentiles. Him proclaim I unto you - Thus he fixes the wandering attention of these blind philosophers; proclaiming to them an unknown, and yet not a new God.