“A diatomic molecule is a molecule with one atom too many.”
as quoted in [Dave DeMille, Diatomic molecules, a window onto fundamental physics, Physics Today, 2015, December, 34, 68, 12, 10.1063/PT.3.3020]
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Arthur Leonard Schawlow 5
American physicist 1921–1999Related quotes

Edwin Grant Conklin, in: Evolution by Association : A History of Symbiosis: A History of Symbiosis http://books.google.co.in/books?id=wEo1QUkr7pUC&pg=PA129, Oxford University Press, 22 August 1994

The Varieties of Scientific Experience: A Personal View of the Search for God (2006)
Context: Let's say there's a molecule that produces a religious experience... a natural molecule that the body produces whose function it is to produce religious experiences, at least on occasion?... So let's call it "theophorin"... What could the selective advantage of theophorin be?... to suit us for the quest that was, according to Dostoyevsky, to strive for nothing so incessantly and so painfully as to find someone to worship and obey.
Principles of Modern Chemistry (7th ed., 2012), Ch. 1 : The Atom in Modern Chemistry
Principles of Modern Chemistry (7th ed., 2012), Ch. 1 : The Atom in Modern Chemistry

E. Laszlo (1994) Vision 2020: Reordering Chaos for Global Survival. Philadelphia: Gordon & Breach.