Rationalism, Empiricism...and Intuition?

In the chapter on Epistemology, Kreeft points out that the debate between Rationalism and Empiricism ignores another form of knowledge that Tolkien (and the ancients) did not ignore: intuition. Furthermore, "unlike reason and sense experience, [intuition] depends on moral goodness; it is only reliable in the virtuous."

"Blessed are the pure in heart, for they shall see God." Indeed.