For me, reason is the natural organ of truth; but imagination is the organ of meaning. Imagination, producing new metaphors or revivifying old, is not the cause of truth, but its condition.
C. S. Lewis (1898-1963) English writer, literary scholar, lay theologian [Clive Staples Lewis]
“Bluspels and Flalansferes: A Semantic Nightmare” (1936), Rehabilitations and Other Essays (1939)
(Source)
First given as a lecture at Manchester University.