Quotes: Certainty

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

Tom Stoppard

British playwright (born 1937)

Hope is definitely not the same thing as optimism. It is not the conviction that something will turn out well, but the certainty that something makes sense, regardless of how it turns out.

Vaclav Havel

Czech statesman, playwright, and former dissident, the last president of Czechoslovakia and the first president of the Czech Republic (1936-2011)

We have to be mindful that there is the certainty that terrorists will attempt to launch multiple attacks against their enemy, which is us and our allies.

Cofer Black

To believe with certainty we must begin with doubting.

Stanislaus I

Science has proof without any certainty. Creationists have certainty without any proof.

Ashley Montagu

British-American anthropologist

The statistics of life out there and the statistics of intelligent beings and advanced civilization is a certainty, the way I look at it. that It has not been accepted, because we’ve been in an anthropocentric era.

Story Musgrave

American physician and NASA astronaut

There is no certainty; there is only adventure.

Roberto Assagioli

Italian psychiatrist and pioneer (1888-1974)

Certitude is not the test of certainty. We have been cocksure of many things that were not so.

Oliver Wendell Holmes, Jr.

We can say with certainty – or 90% probability – that the new industries that are about to be born will have nothing to do with information.

Peter Drucker

No great deed is done by falterers who ask for certainty.

George Eliot

English novelist, essayist, poet and journalist (1819-1880)

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