1) The document discusses creating great minds that think differently by bombarding the brain with novelty to force it out of past patterns of thought. Fear is the largest hurdle as it evolved to promote survival through retreat rather than exploration.
2) Intelligence alone does not guarantee better thinking as analysis is different from design thinking. Information can also substitute for thinking.
3) Iconoclasts must overcome social barriers as novel ideas are aversive. The brain prefers familiarity so iconoclasts must make their ideas feel familiar.
4) New ideas come from making unexpected connections between existing concepts or imagining weird combinations. The need for new thinking is discussed along with barriers like assumptions and the need to be