Did Einstein say, 'Insanity is doing the same thing over and over again and expecting different results'?

Online users have for years — "over and over again" — shared the quote with the famous physicist's name and image.

3I/ATLAS might have just proven Einstein's 1915 theory right before unusually deviating near the Sun, which resurfaces the question: Is it really a comet?

Interstellar object 3I/ATLAS has seemingly confirmed Einstein's general relativity by exhibiting gravitational lensing as it neared the Sun. However, the observed light bending exceeded predictions by ...