It was about three o'clock at night when the final result of the calculation [which gave birth to quantum mechanics] lay before me ... At first I was deeply shaken ... I was so excited that I could not think… — Werner Heisenberg Copy Share Image
![“It was about three o'clock at night when the final result of the calculation [which gave birth to quantum mechanics] lay before me ... At first I was deeply shaken ... I was so excited that I could not think of sleep. So I left the house ... and awaited the sunrise on top of a rock.” quote by Werner Heisenberg](https://sms4smile.com/quotes/img-quotes/bba/werner-heisenberg-4501_birth_it-was-about-three-o-clock-at-night-when_265746.jpg)