There are so many facts now that for any individual to test even a fraction of them would be the work of a lifetime. There would be no time to live, if we had to prove even a portion of the collected facts of humanity. In order to be able to cope with life, we have to have facts to make decisions on. Fanatics are driven to promote their beliefs because of the conflict that occurs for them whenever their beliefs are challenged. To stop the feeling of conflict, the fanatic becomes compelled to convince everyone that their belief is fact, or, failing that, to destroy those who threaten the belief.
Fanaticism is a dangerous mental illness.
There are some quick and simplistic tools that you can use to analyze information in order to roughly guess whether the information is fact, or truth. When faced with new information I suggest applying this simple mental test to determine if the information is a fact, or a belief. Quick Test 1. In order for a mind to remain sane, to avoid fanaticism, to remain capable of growth, there must be room for doubt. When all doubt dies, so does the mind.