| The Columbia World of Quotations. 1996. |
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| NUMBER: | 56934 |
| QUOTATION: | Doubt 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. |
| ATTRIBUTION: | Thomas Szasz (b. 1920), U.S. psychiatrist. Mental Illness, The Second Sin (1973). |
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| | | The Columbia World of Quotations. Copyright © 1996 Columbia University Press. |
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