Who knows whether the gods will add tomorrow to the present hour? (Quote by - Horace)

All human things hang on a slender thread, the strongest fall with a sudden crash. (Quote by - Ovid)

My thought, whose murder yet is but fantastical, Shakes so my single state of man that function Is smothered in surmise and nothing is But what is not. (Quote by - William Shakespeare)

This I ever held worse that all certitude, To know not what the worst ahead might be. (Quote by - Algernon Charles Swinburne)

When the mind is in a state of Uncertainty the smallest impulse directs it to either side. (Quote by - Terence)

Uncertainty and expectation are the joys of life. Security is an insipid thing, through the overtaking and possessing of a wish discovers the folly of the chase. (Quote by - William Congreve)

Maturity of mind is the capacity to endure Uncertainty. (Quote by - John Finley)

Uncertainty and mystery are energies of life. Don't let them scare you unduly, for they keep boredom at bay and spark creativity. (Quote by - R. I. Fitzhenry)

Knowledge is an unending adventure at the edge of Uncertainty. (Quote by - Jacob Bronowski)

An image is a stop the mind makes between uncertainties. (Quote by - Djuna Barnes)

We demand guaranteed rigidly defined areas of doubt and Uncertainty. (Quote by - Douglas Adams)

To be uncertain is to be uncomfortable, but to be certain is to be ridiculous. (Quote by - Chinese Proverb)

There is no such Uncertainty as a sure thing. (Quote by - Robert Burns)

Uncertainty is the refuge of hope. (Quote by - Henri Frederic Amiel)

uncertainty is the only certainty there is, and knowing how to live with insecurity is the only security. (Quote by - John Allen Paulos)

Doubt is not a pleasant condition, but certainty is absurd. (Quote by - Voltaire)

Without the element of uncertainty, the bringing off of even, the greatest business triumph would be dull, routine, and eminently unsatisfying. J. (Quote by - Paul Getty)

He is no wise man who will quit a certainty for an uncertainty. (Quote by - Samuel Johnson)

The greatest loss of time is delay and expectation, which depend upon the future. We let go the present, which we have in our power, and look forward to that which depends upon chance, and so relinquish a certainty for an uncertainty. (Quote by - Seneca)

The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next. (Quote by - Ursula K. LeGuin)

Creativity requires the courage to let go of certainties. (Quote by - Erich Fromm)

Certainty is the mother of quiet and repose, and uncertainty the cause of variance and contentions. (Quote by - Edward Coke)

For my part I know nothing with any certainty, but the sight of the stars makes me dream. (Quote by - Vincent van Gogh)

In these matters the only certainty is that nothing is certain. (Quote by - Pliny the Elder)

When one admits that nothing is certain one must, I think, also admit that some things are much more nearly certain than others. (Quote by - Bertrand Russell)