Anyone who is not shocked by quantum theory has not understood it.

As quoted in Meeting the Universe Halfway (2007) by Karen Michelle Barad, p. 254, with a footnote citing The Philosophical Writings of Niels Bohr (1998). Wikiquote.

in this wild

https://math.mit.edu/~shor/435-LN/Lecture_01.pdf

path on GitHub

https://github.com/davepinch/pinchy.cc/blob/master/content/topics/people/n/niels-bohr/quotes/anyone-who-is-not-shocked-by-quantum-theory-has-not-understood-it.md

random

Les Leftovers (leslefts.blogspot.com) Jim Chevallier is a food historian with a checkered past and eclectic interests. His most recent book is “Feasting with the Franks; the First French Medieval Food’; this follows a history of French bread - “Before the Baguette: The History of French Bread” - and a small work on the women who delivered bread in Paris and other cities for over a century: “They Came Bearing Bread; the Hard Lives of the Porteuses de Pain'.

Niels Bohr (Wikipedia) Niels Henrik David Bohr (Danish: [ˈne̝ls ˈpoɐ̯ˀ]; 7 October 1885 – 18 November 1962) was a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922. Bohr was also a philosopher and a promoter of scientific research.