95 Should the heretics reject our exposition of those allegorical narratives, or even insist on understanding them only in a literal sense, to dispute about such a difference of understanding would be as useless as to dispute about a difference of taste. Only, the fact that the divine precepts have either a moral and religious character or a prophetic meaning must be believed, whether intelligently or not. Moreover, the figurative interpretations must all be in the interest of morality and religion. So, if the Manichæans or any others disagree with our interpretation, or differ from us in method or in any particular opinion, suffice it that the character of the fathers whom God commends for their conduct and obedience to His precepts is vindicated on a principle which all but those inveterate in their hostility will acknowledge to be true; and that the purity and dignity of the Scriptures are maintained in reference to those passages which the enemies of the truth find fault with, where certain actions are either praised or blamed, or merely narrated for us to form a judgment of them.
Source: Reply to Faustus the Manichaean (New Advent)