Famous Uncertainty Quotes in English

In these matters the only certainty is that nothing is certain.

- Uncertainty Quotes by Pliny the Elder

Doubt is not a pleasant condition, but certainty is absurd.

- Voltaire Quotes

Not to be absolutely certain is, I think, one of the essential things in rationality.

- Uncertainty Quotes by Bertrand Russell

I believe that uncertainty is really my spirit’s way of whispering, “ I’m in flux. I can’t decide for you. Something is off-balance here.

- Uncertainty Quotes by Oprah Winfrey

The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.

- Ursula K. LeGuin Quote

When one admits that nothing is certain one must, I think, also admit that some things are much more nearly certain then others.

- Uncertainty Quotes by Bertrand Russell