Insight is not a lightbulb that goes off inside our heads. It is a flickering candle that can easily be snuffed out.

Basketball is an intricate, high-speed game filled with split-second, spontaneous decisions. But that spontaneity is possible only when everyone first engages in hours of highly repetitive and structured practice--perfecting their shooting, dribbling, and passing and running plays over and over again--and agrees to play a carefully defined role on the court. . . . spontaneity isn't random.

Our first impressions are generated by our experiences and our environment, which means that we can change our first impressions . . . by changing the experiences that comprise those impressions.

That term, 'David and Goliath,' has entered our language as a metaphor for improbable victories by some weak party over someone far stronger.

The fact of being an underdog changes people in ways that we often fail to appreciate. It opens doors and creates opportunities and enlightens and permits things that might otherwise have seemed unthinkable.

The visionary starts with a clean sheet of paper, and re-imagines the world.