Certainty‏


When contemplating the property certainty, as with knowledge, it turns out to be very difficult to provide an uncontentious analysis. Because of its many different conceptions and dimensions, the full value of certainty is surprisingly hard to capture. To that end, below is a list of quotations to help sketch a definition of the property certainty.

“Doubt is not a pleasant condition, but certainty is absurd.”
– Voltaire

“The scientist believes in proof without certainty, the bigot in certainty without proof.”
– Ashley Montagu

“There is no such thing as absolute certainty, but there is assurance sufficient for the purposes of human life.”
– John Stuart Mill

“I believe that we do not know anything for certain, but everything probably.”
– Christiaan Huygens

“What is known for certain is dull.”
– Max Ferdinand Perutz

“To be uncertain is to be uncomfortable, but to be certain is to be ridiculous.”
– Chinese proverb

“Inquiry is fatal to certainty.”
– Will Durant

“It is the certainty that they possess the truth that makes men cruel.”
– Anatole France

“If you tried to doubt everything you would not get as far as doubting anything. The game of doubting itself presupposes certainty.”
– Ludwig Wittgenstein

“Since we can never know anything for sure, it is simply not worth searching for certainty; but it is well worth searching for truth; and we do this chiefly by searching for mistakes, so that we have to correct them.”
– Karl Popper

See more: Approximations

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3 thoughts on “Certainty‏

  1. You can be certain that something must exist because if nothingness was definable then it would be something. Nothingness is not an idea nor a word since it is undefinable. So there is at least one certainty (above) and this leads to another i.e. certainty exists.

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