Thomas considers it not a small part of the theologian’s task to demonstrate to men of good will, believers or non-believers, that the scriptural teaching is reasonable, not in the sense of being demonstrable by reason, but in the sense of not obfuscating or contradicting or restricting reason but opening possibilities of deeper and wider truth. A revelation that showed contempt for human reason and freedom could not, in Thomas’s view, truly come from the God who created man reasonable and free.
Timothy McDermott, preface to Summa Theologiae: A Concise Translation, p.lvi.
