Concepts Quote by Anthony Stafford Beer

“A distinguished writer [Siméon Denis Poisson] has thus stated the fundamental definitions of the science: 'The probability of an event is the reason we…

— George Boole

“It is probably better to realize that the probability concept is in a sense subjective, that it is always based on uncertain knowledge, and…

— Richard P. Feynman

It follows that the word probability, in its mathematical acceptance, has reference to the state of our knowledge of the circumstances under which an…

— George Boole

It is a part of probability that many improbable things will happen.

— Aristotle

Many modern philosophers claim that probability is relation between an hypothesis and the evidence for it.

— Ian Hacking

The theory of probabilities is at bottom nothing but common sense reduced to calculus; it enables us to appreciate with exactness that which accurate…

— Pierre-Simon Laplace

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…

— Pierre-Simon Laplace

“The probability of an event is the reason we have to believe that it has taken place, or that it will take place. The…

— Siméon Denis Poisson

We balance probabilities and choose the most likely. It is the scientific use of the imagination.

— Arthur Conan Doyle

It has been pointed out already that no knowledge of probabilities, less in degree than certainty, helps us to know what conclusions are true,…

— John Maynard Keynes

The word 'chance' then expresses only our ignorance of the causes of the phenomena that we observe to occur and to succeed one another…

— Pierre-Simon Laplace

In its efforts to learn as much as possible about nature, modern physics has found that certain things can never be "known" with certainty.…

— Richard P. Feynman