معين بودن، تعيين، قطعي، يقين، اطمينان، قطعيت آوري

The following video provides you with the correct English pronunciation of the word "certainty", to help you become a better English speaker.

حتم(آمار) ، اطمينان ، جزم ، قطعيّت ، يقين

حتميت

امرمسلم، اطمينان، يقين

âvar(-mand-i) (hamân ke bâvar=bâ-âvar dârad)
bi-cun-o-cerâ
bi-gomân 
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I am certain there is too much certainty in the world.

(Michael Crichton)
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Paradoxalement, la constructin d'un je véritable passe par l'objectivation de l'ego primaire, c'est-à-dire de la méconnaissance et de l'automystification mystificatrice qui permet de vivre dans la certitude de soi des imposteurs légitimes.

(P. BOURDIEU, Langage et pouvoir symbolique, poche p. 400-1)
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Theory of knowledge, as we have seen, is a subject which is partly logical, partly psychological; the connection between these parts is not very close. The logical part may, perhaps, come to be mainly an organisation of what passes for knowledge according to differing grades of certainty: some portions of our beliefs involve more dubious assumptions than are involved in other parts. Logic and mathematics on the one hand, and the facts of perception on the other, have the highest grade of certainty; where memory comes in, the certainty is lessened; where unobserved matter comes in, the certainty is further lessened; beyond all these stages comes what a cautious man of science would admit to be doubtful.

(B. RUSSELL, Theory of Knowledge )
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Where certainty is unattainable, a rational man will give most weight to the most probable opinion, while retaining others, which have an appreciable probability, in his mind as hypotheses which subsequent evidence may show to be preferable. This, of course, assumes that it is possible in many cases to ascertain facts and probabilities by an objective method--i.e., a method which will lead any two careful people to the same result.

(B. RUSSELL, Sceptical essays, p. 33)
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« Cette certitude d’avoir raison qui est, à mes yeux, le signe infaillible de l’erreur. »

(Jean Rostand)
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L'impression de certitude est un certain témoignage de folie et d'incertitude extrème ; et n'est point de plus folles gens, ni moins philosophes que les philodoxes ["opiniâtre" pour Platon] de Platon.

(MONTAIGNE, Les Essais, Œuvres complètes dans La Bibliothèque de la Pléiade, Éditions Gallimard, 1962, p.522)