“When Dirac was an old man, younger physicists often asked him how he felt when he discovered the [Dirac] equation. From his replies, it seems that he alternated between ecstasy and fear: although elated to have solved his problem so… — Graham Farmelo Copy Share Image
![“When Dirac was an old man, younger physicists often asked him how he felt when he discovered the [Dirac] equation. From his replies, it seems that he alternated between ecstasy and fear: although elated to have solved his problem so neatly, he worried that he would be the latest victim of the…” quote by Graham Farmelo](https://sms4smile.com/quotes/img-quotes/27d/graham-farmelo-105503_fear_when-dirac-was-an-old-man-younger-physic_1664045.jpg)