Only in men's imagination does every truth find an effective and undeniable existence. Imagination, not invention, is the supreme master of art as of life.
Source: A Personal Record, ch. 1, 1912.
-- Joseph Conrad, (Dec 3 1857-1924), Polish novelist, short-story writer; He was considered a master of English prose, e.g., Lord Jim, 1900 and Heart of Darkness, 1902.