Certainty Quote by John Maynard Keynes

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

— Ian Hacking

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

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

“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

All that belongs to human understanding, in this deep ignorance and obscurity, is to be sceptical, or at least cautious, and not to admit…

— David Hume

“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

Sometimes the probabilities are very close to certainties, but they're never really certainties

— Murray Gell-Mann

All knowledge resolves itself into probability. ... In every judgment, which we can form concerning probability, as well as concerning knowledge, we ought always…

— David Hume

From principles is derived probability, but truth or certainty is obtained only from facts.

— Tom Stoppard

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

It is the concept of likelihood that a real understanding of probability resides, and we must learn how to measure it.

— Anthony Stafford Beer

Probability is not a mere computation of odds on the dice or more complicated variants; it is the acceptance of the lack of certainty…

— Nassim Nicholas Taleb