Do not keep saying to yourself, if you can possibly avoid it, "But how can it be like that?" because you will get "down the drain", into a blind alley from which nobody has yet escaped. Nobody knows how it can be like that.

— Richard Feynman The Character of Physical Law (1965)

Notes from Wikiquote

chapter 6, “Probability and Uncertainty — the Quantum Mechanical View of Nature,” p. 129

The Pleasure of Finding Things Out (1999)

What Do You Care What Other People Think? (1988)

statement (1965)

Quote text and notes from Wikiquote: Richard Feynman (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.