The more ambivalent you are and the more uncertain you are, then you can get something that you cannot anticipate.
Elia Kazan

The more dubious and uncertain an instrument violence has become in international relations, the more it has gained in reputation and appeal in domestic affairs, specifically in the matter of revolution.
Hannah Arendt

The most intense curiosity and excitement prevailed, and though the weather was uncertain, enormous masses of densely packed people lined the road, shouting and waving hats and handkerchiefs as we flew by them.
Fanny Kemble

The planet's survival has become so uncertain that any effort, any thought that presupposes an assured future amounts to a mad gamble.
Elias Canetti

The poets whom I knew then were all men and all seemed dauntingly sure of themselves - although I am sure that really they were as uncertain as I was.
Helen Dunmore

The Reform Bill has destroyed the ancient conduits and strainers, and brings Public Opinion to act upon the government with the rapid, turbulent, and uncertain violence of a flood!
Robert Peel

The transition state of manners and language cannot be too often insisted upon: for this affected the process at both ends, giving the artist in fictitious life an uncertain model to copy and unstable materials to work in.
George Saintsbury

The very essence of leadership is that you have to have vision. You can't blow an uncertain trumpet.
Theodore Hesburgh

There is nothing more difficult to take in hand, more perilous to conduct, or more uncertain in its success, than to take the lead in the introduction of a new order of things.
Niccolo Machiavelli

There is nothing so uncertain as a sure thing.
Scotty Bowman

There was a time when meanings were focused and reality could be fixed; when that sort of belief disappeared, things became uncertain and open to interpretation.
Bridget Riley

Through first-class education, a generation marches down the long uncertain road of the future with confidence.
Wynton Marsalis

To follow imperfect, uncertain, or corrupted traditions, in order to avoid erring in our own judgment, is but to exchange one danger for another.
Richard Whately

To the indefinite, uncertain mind of the American radical the most contradictory ideas and methods are possible. The result is a sad chaos in the radical movement, a sort of intellectual hash, which has neither taste nor character.
Emma Goldman

True genius resides in the capacity for evaluation of uncertain, hazardous, and conflicting information.
Winston Churchill

We always live in an uncertain world. What is certain is that the United States will go forward over time.
Warren Buffett

We can get more energy out of the north slope of Alaska; we have available the ability to make ourselves less dependent on those uncertain sources of supply from the Middle East. And it's important we do that.
John W. Snow

We live in a pretty bleak time. I feel that in the air. Everything is uncertain. Everything feels like its on the precipice of some major transformation, whether we like it or not.
Sean Lennon

Well, it's still a bit uncertain, but I will do the consulting, and I'll see how I can contribute. But I'm sure whatever I do will involve the space program. That's where my passion is.
Leroy Chiao

You know, people talk about this being an uncertain time. You know, all time is uncertain. I mean, it was uncertain back in - in 2007, we just didn't know it was uncertain. It was - uncertain on September 10th, 2001. It was uncertain on October 18th, 1987, you just didn't know it.
Warren Buffett