Generally, there are many things which are unproven or not tested, a smaller (but still large) number of things which difficult to test or difficult to prove, a smaller number of things which are testable or provable relatively easily, and finally a small number of things which are tested or proven.

One can expect some people to consider only truths which cluster at these ends. Academia I think tends in that direction. At one level this makes sense, one can expect a lot of useful work to be done on things which are relatively easy to prove, while things... (read more)