No, indeed. I’m an optimist. Or is it called crazy when a…

You cannot keep doing the same thing, the same way, and keep expecting something different to happen.

— Beth Moore

Insanity is doing the same thing over and over again and expecting different result.

— Albert Einstein

Craziness is doing the same thing and expecting a different result.

— Tom DeMarco

Unfortunately, Susan didn't remember what Jane Fulton once said, 'Insanity is doing the same thing, over and over again, but expecting different results.

— Rita Mae Brown

“She’d read somewhere that the definition of crazy was doing the same thing over and over but expecting different results.”

— Laurelin Paige

Doing the same thing over and over again and expecting different results

— Albert Einstein

The definition of Insanity is doing the same thing over and over again expecting a different result.

— MlY AB

If you're doing the same thing over and over and expecting different results, you're going to have a hard time...

— Anonymous

Insanity is doing the same thing, over and over again, but expecting different results.

— Anonymous

Insanity is doing the same thing in the same way & expecting a different outcome

— Old Chinese Proverb

What is the definition of insanity? Doing the same thing over and over again and expecting a different result.

— Anonymous

Insanity: doing the same thing over and over again and expecting different results.

— Albert Einstein

“Stupidity is doing the same thing and expecting a different result.”

— Eliezer Yudkowsky

You can't rock the boat without being told you're off your rocker. Entrepreneurs' greatest asset is their contrarian way of thinking, their tendency to…

— Linda Rottenberg

“Craziness peeped through my creative mind and she called me crazy.”

— Kelly Iyogun