If physics leads us today to a world view which is essentially mystical, it returns, in a way, to its beginning, 2,500 years ago. … This time, however, it is not only based on intuition, but also on experiments of great precision and sophistication, and on a rigorous and consistent mathematical formalism.

The phenomenon of emergence takes place at critical points of instability that arise from fluctuations in the environment, amplified by feedback loops.