"Psychiatry and its language are used by professionals on patients, by family members on relatives, and by individuals on themselves, to define people as mentally ill and thus invalidate them from the perspective of moral choices."
- Thomas Szasz

"Diseases are malfunctions of the human body, of the heart, the liver, the kidney, the brain, and so forth."
- Thomas Szasz

"No behavior or misbehavior is a disease or can be a disease."
- Thomas Szasz