Theological disputations are a favorite hobby of mine, but even the most eloquent and learned disputant finds his abilities wane before the persuasiv… - Lin Carter

Um," said Kesrick in a small voice, looking remarkably foolish.
"Um, indeed!" said Dame Pirouetta tartly. "You will find, dear boy, on these chivalric adventures of yours, that manly courage and fortitude, even when bolstered by the fortunate possession of an enchanted sword such as Dastagerd, are not quite enough: one requires, as well, the use of logic, reason, deduction, and, in a word—intelligence!

He was reluctantly forced to conclude that his sanity was unshaken.

Love, it seems, has its own arguments which are so potent that cool Reason can seldom, if ever, prevail.