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.