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Insight Horizon Media

What is the definition of insanity according to Einstein?

Author

Mia Smith

Published Feb 15, 2026

What is the definition of insanity according to Einstein?

The definition of insanity is doing the same thing over and over again and expecting a different result. These words are usually credited to the acclaimed genius Albert Einstein. What do you think? Quote Investigator: There is no substantive evidence that Einstein wrote or spoke the statement above.

What are the characteristics of insanity?

Insanity Is Doing the Same Thing Over and Over Again and Expecting Different Results. A universal characteristic of insanity is inflexibly doing the same thing over and over while hoping for different results. Flexibility in the face of changing circumstances, by contrast, is a hallmark of mental health.

What is the legal definition of insanity in medicine?

Forensic medicine A legal and social term for a condition that renders the affected person unfit to enjoy liberty of action, because of the unreliability of his behavior with concomitant danger to himself and others; insanity denotes, by extension, a degree of mental illness that negates legal responsibility for one’s actions.

Who said insanity is doing the same thing over and over?

By 1990 the saying was being attributed to Einstein. For example, the “Austin American-Statesman” of Austin, Texas published the following remark made by Travis County District Attorney Ronnie Earle: 14 Einstein once said that insanity is doing the same thing over and over and expecting a different result.

That “Definition Of Insanity” Quote…. “The definition of insanity is doing the same thing over and over and expecting different results.”. We’ve all probably heard this quote, most frequently attributed to Albert Einstein. It’s one of those nuggets that gets repeated so often that it’s taken without question, but there is actually no evidence

What does insanity mean in the 19th century?

In the 19th century it began to take on a looser sense, “extreme folly or unreasonableness.” In modern usage, insanity may be found in both senses: you may tell your brother that trying to skateboard while holding onto a car is “insanity” (in which case you mean that it is extremely foolish) or encounter…

What is the meaning of pure insanity?

3a : extreme folly or unreasonableness the insanity of violence His comments were pure insanity. b : something utterly foolish or unreasonable the insanities of modern life.

How do you use insanity in a sentence?

In modern usage, insanity may be found in both senses: you may tell your brother that trying to skateboard while holding onto a car is “insanity” (in which case you mean that it is extremely foolish) or encounter the stricter original meaning in such contexts as insanity plea. She was found not guilty by reason of insanity.