The insistence on rational knowledge and, hence, on objects of rational knowledge, may have blinded us to the possibilities within the human spirit for arational and arationally acquired forms of undisciplined knowledge and insight.
Provided you have enough mental aptitude (or methamphetamine) to follow along, the works of the following geniuses are guaranteed to permanently alter your ideas of reality, perception, consciousness, existence, truth, fiction, and 'what it all means'. Apply vigorously at first signs of consensus trance.
R. Buckminster Fuller
Gregor I. Gurdjieff
Robert Anton Wilson