He asked his roster of thinkers - V.S. Ramachandran, Paul Davies, Daniel Dennett, Jared Diamond, Daniel Goleman, Matt Ridley, Simon Baron-Cohen, Mihaly Csikszentmihalyi and Martin Seligman, among the most famous - to nominate an idea, not necessarily their own, they consider dangerous not because it is false, but because it might be true.

Two ideas with enormous ramifications for the arts resonated though the tens of thousands of words of text.