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The highest exercise of imagination is not to devise what has no existence, but rather to perceive what really exists, though unseen by the outward eye-not creation, but insight.

Henry Wadsworth Longfellow (1888). “Longfellow's Days: The Longfellow Prose Birthday Book : Extracts from the Journals and Letters of H. W. Longfellow”
The highest exercise of imagination is not to devise what has no existence, but rather to perceive what really exists, though unseen by the outward eye-not creation, but insight.