The social world is not driven by natural laws and randomness alone, as the physical world is, but also by human wills. - Ivar Ekeland

So every possible reality, once God gives it existence, will reveal its own identity. Its life will unfold slowly, whereas God encompasses it at a single glance.

It is a testimony to the power of education that classical mechanics could operate for so long under a mistaken conception. Teaching and research concentrated on integrable systems, each feeding the other, until in the end we had no longer the tools nor the interest for studying nonintegrable systems.

An equilibrium is not always an optimum; it might not even be good. This may be the most important discovery of game theory.