" Roger Martin of the University of Toronto’s Rotman School of Management conducted a lengthy study of exceptional leaders stretching from Procter & Gamble’s then-CEO A. G. Lafley to choreographer Martha Graham and discovered that their ability to find solutions required holding conflicting perspectives and using that friction to synthesize a new idea. “The ability to face constructively the tension37 of opposing ideas,” Martin writes in his book The Opposable Mind, “. . . is the only way to address this kind of complexity. "

― Steven Kotler , Stealing Fire: How Silicon Valley, the Navy SEALs, and Maverick Scientists Are Revolutionizing the Way We Live and Work