[It] may be laid down as a general rule that, if the result of a long series of precise observations approximates a simple relation so closely that the remaining difference is undetectable by observation and may be attributed to the errors to which they are liable, then this relation is probably that of nature.
Pierre-Simon LaplaceThe theory of probabilities is at bottom nothing but common sense reduced to calculus; it enables us to appreciate with exactness that which accurate minds feel with a sort of instinct for which of times they are unable to account.
Pierre-Simon LaplaceTo Napoleon on why his works on celestial mechanics make no mention of God: Your Highness, I have no need of this hypothesis.
Pierre-Simon LaplaceThe mind has its illusions as the sense of sight; and in the same manner that the sense of feeling corrects the latter, reflection and calculation correct the former.
Pierre-Simon Laplace