Pierre-Simon Laplace Quotes about Common Sense
Probability theory is nothing but common sense reduced to calculation.
"Théorie Analytique Des Probabilités". Book by Pierre-Simon Laplace, second edition, 1814.
Pierre-Simon Laplace (2012). “Pierre-Simon Laplace Philosophical Essay on Probabilities: Translated from the fifth French edition of 1825 With Notes by the Translator”, p.124, Springer Science & Business Media