Dianetics comes from the Greek words dia (through) and nous (soul). Dianetics could be said to be what the soul is doing to the body. It provides answers to the fundamental riddles of the mind with a thoroughly validated method that increases sanity, intelligence, confidence and well–being. It gets rid of the unwanted sensations, unpleasant emotions and psychosomatic ills that block one's life and happiness. Dianetics rests on basic principles that can be easily learned and applied — as millions have. It is the route to a well, happy, high IQ human being.

Dianetics addresses the part of the mind that operates below the conscious level, exerting a hidden influence that causes you to react irrationally, say and do things that “aren't you,” and have inexplicable emotions and ills that hold back intelligence and ability. It all resolves with Dianetics.

The word Scientology literally means “the study of truth. ”It comes from the Latin word “scio” meaning “knowing in the fullest sense of the word ”and the Greek word “logos ”meaning “study of."

Scientology is the study and handling of the spirit in relationship to itself, others and all of life. The Scientology religion comprises a body of knowledge extending from certain fundamental truths. Prime among these: