Quotes: Certainty

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

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.

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.

To believe with certainty we must begin with doubting.

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

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.

There is no certainty; there is only adventure.

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

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.

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