There are very few things that can be proved rigorously in condensed matter physics.


Nobel Lecture, December 8, 2003.

Internet Archive https://web.archive.org/web/20170813053155/http://...


There are very few things that can be proved rigorously in condensed matter physics.

There are very few things that can be proved rigorously in condensed matter physics.

There are very few things that can be proved rigorously in condensed matter physics.

There are very few things that can be proved rigorously in condensed matter physics.