Mental illness, of course, is not literally a "thing" - or physical object - and hence it can "exist" only in the same sort of way in which other theoretical concepts exist.
Thomas SzaszIs psychiatry a medical enterprise concerned with treating diseases, or a humanistic enterprise concerned with helping persons with their personal problems? Psychiatry could be one or the other, but it cannot--despite the pretensions and protestations of psichiatrists--be both.
Thomas SzaszHe who does not accept and respect those who want to reject life does not truly accept and respect life itself.
Thomas SzaszDoubt is to certainty as neurosis is to psychosis. The neurotic is in doubt and has fears about persons and things; the psychotic has convictions and makes claims about them. In short, the neurotic has problems, the psychotic has solutions.
Thomas Szasz