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"Insanity, as it is labeled, is sometimes merely the result of a strange situation, in which certain individuals use the ordinarily dormant portions of the brain as well as, or sometimes largely in place of, the recognized portions. [Their] perception of reality is therefore largely alien to society."

"Insanity as a term means nothing. All mental life is characterized by divergent perceptions of any given set of sense data that is recognized as Reality, with a capital R."

"Those who perceive [a] set of data in such a way that agreement is reached are called sane. But none of you perceives the same reality."

"Those whose ideas and perceptions of reality are completely out of line with the general agreement are called insane."

Seth, Jane Roberts
—The Early Sessions Book 7 Session 308 December 12, 1966