Some subjects are so serious that one can only joke about them.
Quotes from The Genius of Science: A Portrait Gallery — Niels Bohr
Attribution
Quotes and notes from Wikiquote: Niels Bohr (page history), available under CC BY-SA 4.0.
Quotes and notes from Wikiquote: Niels Bohr (page history), available under CC BY-SA 4.0.