...our colleagues in particle physics," writes physicist Freeman Dyson in Infinite in All Directions, "think that they are coming to a complete understanding...prove as illusory as the notion of a formal decision process for all of mathematics. If it should turn out that the whole of physical reality can be described...

...the world of mathematics. Some of our colleagues in particle physics think that they are coming close to a complete understanding of the basic laws of nature. . . . But I hope that the notion of a final statement of the laws of physics will prove as illusory as the notion of...