Nature was not satisfied by a simple point charge but required a charge with spin.
about the electron, in Tomonaga, Sin-Itiro, translated by Takeshi Oka (1997). The Story of Spin. University of Chicago Press. p. 60. ISBN 0-226-80794-0.
...a bride who is bullied by her mother-in-law will herself become a bad mother-in-law.Sin-itiro Tomonaga