The main question of our age is how we live our lives. As we struggle with this question, we face others. How do we handle ideas and knowledge, both our own and those of others? What relationship to ideas do we want? Whose ideas do we want to be surrounded by? Where do we want to think? Most choose, or have the choice made for them, according to what family, colleagues, and friends do and say and what we read about, and a more or less rational calculation of the odds. Modern ecology results from the shift in thinking generated by quantum physics and systems theory, from the old view based on...