Dianetically, the optimum individual is called the Clear. [...] A Clear can be tested for any and all psychoses, neuroses, compulsions and repressions (all aberrations) and can be examined for any autogenetic (self-generated) diseases referred to as psychosomatic ills. These tests confirm the Clear to be entirely without such ills or aberrations. Additional tests of his intelligence indicate it to be high above the current norm. Observation of his activity demonstrates that he pursues existence with vigor and satisfaction.
L. Ron Hubbard, Dianetics: The Modern Science of Mental Health