Jacob Bronowski – World only grasped by action Share this quote: The world can only be grasped by action, not by contemplation . . .The hand is the cutting edge of the mind. – Jacob Bronowski (1908-1974) The Ascent of Man Is this quotation insightful, though-provoking, useful? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0