Delusions of Paranoia and Grandeur are common among those of us with schizophrenia.  These are generally constructed from materials at hand.  It appears that religious ideation has been the most common over the centuries.  In the 1950s abduction by space travelers or anything to do with the CIA were popular.  In my experience, and the experience of many others, these delusions do not represent irrational thinking so much as rational thought based on aberrant belief systems.  These beliefs...