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An enlightened mind is not hoodwinked; it is not shut up in a gloomy prison till it thinks the walls of its dungeon the limits of the universe, and the reach of its own chain the outer verge of intelligence.

Henry Wadsworth Longfellow (2013). “Delphi Complete Works of Henry Wadsworth Longfellow (Illustrated)”, p.2238, Delphi Classics
An enlightened mind is not hoodwinked; it is not shut up in a gloomy prison till it thinks the walls of its dungeon the limits of the universe, and the reach of its own chain the outer verge of intelligence.