Henry Wadsworth Longfellow – Build where monsters hid Share this quote: It is curious to note the old sea-margins of human thought. Each subsiding century reveals some new mystery; we build where monsters used to hide themselves. – Henry Wadsworth Longfellow Is this quotation insightful, though-provoking, useful? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0