It is no good getting furious if you get stuck. What I do is keep thinking about the problem but work on something else. Sometimes it is years before I see the way forward. In the case of information loss and black holes, it was 29 years. – Stephen Hawking
We live in a time of twin credulities: the hunger for the miraculous combined with a servile awe of science. The mating of the two gives us superstition plus scientism. – Edward Abbey