I checked one of these laws 17 years ago.
https://www.cs.cmu.edu/~fgandon/miscellaneous/murphy/ According to Robert A. J. Matthews in a 1997 article in Scientific American, the name "Murphy's law" originated in 1949, but the concept itself had already long since been known to humans.
https://en.wikipedia.org/wiki/Murphy%27s_law#:~:text=According%20to%20Robert%20A.%20J.,since%20been%20known%20to%20humans.
My favorite today - The more beautiful the woman is who loves you, the easier it is to leave her with no hard feelings.