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Pierre-Simon Laplace Quotes about Common Sense

Probability theory is nothing but common sense reduced to calculation.

Probability theory is nothing but common sense reduced to calculation.

"Théorie Analytique Des Probabilités". Book by Pierre-Simon Laplace, second edition, 1814.

The theory of probabilities is basically only common sense reduced to a calculus. It makes one estimate accurately what right-minded people feel by a sort of instinct, often without being able to give a reason for it.

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