Chapter XVI.-Argument: Octavius Arranges His Reply, and Trusts that He Shall Be Able to Dilute the Bitterness of Reproach with the River of Truthful Words. He Proceeds to Weaken the Individual Arguments of Caecilius. Nobody Need Complain that the Christians, Unlearned Though They May Be, Dispute About Heavenly Things Because It is Not the Authority of Him Who Argues, But the Truth of the Argument Itself, that Should Be Considered.