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.

A teacher should have maximal authority, and minimal power.

In the United States today, there is a pervasive tendency to treat children as adults, and adults as children. The options of children are thus steadily expanded, while those of adults are progressively constricted. The result is unruly children and childish adults.

There is no such thing as mental illness, hence also no such thing as psychotherapy.

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.

In the animal kingdom, the rule is, eat or be eaten; in the human kingdom, define or be defined.

Psychoanalysis is an attempt to examine a person's self-justifications. Hence it can be undertaken only with the patient's cooperation and can succeed only when the patient has something to gain by abandoning or modifying his system of self-justification.