Some attribute it to famed physicist Albert Einstein. While Einstein is a fount of wisdom who’s come up with some pretty memorable quotes, the insanity definition isn’t one of them.

Time, March 26, 2010 “I’ve been thinking recently about the definition of insanity attributed to Albert Einstein: doing the same thing over and over again and expecting different results.

Albert Einstein supposedly defined insanity as doing the same action repeatedly but expecting different results each time.

Einstein refused to believe in the inherent unpredictability of the world. Is the subatomic world insane, or just subtle?

A series of letters from Albert Einstein will be auctioned later this week, with the messages touching on a number of topics, including his thoughts on Jewish people’s rights to defend ...

Insane Yankees If anyone is familiar with Albert Einstein, he said, “The definition of insanity is doing the same thing over and over again and expecting different results." This is what the ...

Insanity, it turns out, is American cannabis policy. Let me say this at the outset: This is not about partisan politics or blame.

It seems to be our favorite saying: The definition of insanity is doing the same thing over and over and expecting a different result. Like many witticisms attributed to Einstein, he never said it.

The definition of insanity refers to perseveration, which is the compulsive repetition of an action—not perseverance, which is noble effort.