going on with the enthusiasm necessary to overcome the obstacles along the way. Whether we like it or not, our species has become dependent on creativity. To say the same thing in a more upbeat way, in the last few millennia evolution has been transformed from being almost exclusively a matter of mutations in the chemistry of genes to being more and more a matter of changes in memes—in the information that we learn and in turn transmit to others. If the right memes are selected, we survive; otherwise we do not. And those who select the knowledge, the values, the behaviors that will either lead
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