Some subjects are so serious that one can only joke about them.
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As quoted in The Genius of Science: A Portrait Gallery (2000) by Abraham Pais, p. 24
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Some things are so serious that one can only joke about them.
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Variant without any citation as to author in Denial is not a river in Egypt (1998) by Sandi Bachom, p. 85.Niels Bohr
Bohr, Niels
Boiardo, Matteo Maria
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