1.
One must learn to give up momentary, uncertain and destructive pleasure for delayed, restrained, but dependable pleasure.
Sigmund Freud
One must learn to sacrifice fleeting, unpredictable and damaging gratification for postponed, withheld, but dependable satisfaction.
2.
Problems are often stated in vague terms... because it is quite uncertain what the problems really are.
John von Neumann
3.
The best scheme of Phonetics is a stiff uncertain thing.
T. E. Brown
4.
Life changes when you least expect it to. The future is uncertain. So, seize this day, seize this moment, and make the most of it.
Jim Valvano
5.
The future is uncertain but the end is always near.
Jim Morrison
6.
For as long as one has no further point of reference, apart from the position of the maximum, the wavelength thus remains uncertain by an integral factor.
Max von Laue
7.
In these matters the only certainty is that nothing is certain.
Pliny the Elder
8.
If you see certainty in that which is uncertain, you are bound to suffer
Ajahn Chah
10.
Past is dead Future is uncertain; Present is all you have, So eat, drink and live merry.
Albert Einstein
11.
But I have my life, I’m living it. It’s twisted, exhausting, uncertain, and full of guilt, but nonetheless, there’s something there.
Banana Yoshimoto
12.
I'm still uncertain about the language declaration syntax.
Dennis Ritchie
13.
Human history is in truth nothing but the history of the slow, uncertain, and surprising fulfillment of the Promise.
Gustavo Gutiérrez
14.
I think what's known about neurology is still scattered and uncertain
Clifford Geertz
15.
It is not certain that everything is certain, neither is it certain that everything is uncertain.
Hans Kung
16.
All things are so very uncertain, and that's exactly what makes me feel reassured.
Tove Jansson
17.
To be uncertain is to be uncomfortable, but to be certain is to be ridiculous.
Socrates
18.
It is not certain that everything is uncertain.
Blaise Pascal
19.
There's a non-existent peace in the uncertain quietness
Fernando Pessoa
20.
Since death is certain and the time of death is uncertain, what is the most important thing?
Pema Chodron
21.
If we are to remain mission focused, as we must be if we are to be relevant in an uncertain age, the abandoning those things that do not further the mission is a leadership imperative.
Frances Hesselbein
22.
The only thing we can really count on in this uncertain world is human unreliability itself.
Garrett Hardin
23.
In my life, the only certainty is to be uncertain. I'm an unbeliever who believes in skepticism. I'm only sure about being unsure.
Christopher Hitchens
24.
There are few truths in an uncertain world, but here's one; this aint Kentucky!
Verne Lundquist
25.
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
26.
I am more uncertain than I ever was; I feel only the power of life. And I am senselessly empty.
Franz Kafka
27.
Life is unresolved, confusing, bewildering, puzzling, ambiguous. You don't really know what's going to happen. The future is uncertain for everybody.
Woody Allen
28.
When the uncertain future becomes the past, the past in turn becomes uncertain.
Mohsin Hamid
29.
What is uncertain is how much further the bubble can expand, and what might pop it.
David Einhorn
31.
Nothing is more appealing than a handsome man who is also uncertain of himself.
Laurell K. Hamilton
32.
The more uncertain I have felt about myself, the more there has grown up in me a feeling of kinship with all things.
Carl Jung
33.
The more ambivalent you are and the more uncertain you are, then you can get something that you cannot anticipate.
Elia Kazan
34.
Many intelligence reports in war are contradictory; even more are false, and most are uncertain.
Carl von Clausewitz
35.
The experience of life teaches us that being like someone in love is more real, because everything is uncertain.
Abbas Kiarostami
37.
We see and understand more about our behaviors. We come aware. And aware. And aware. . . Often, we feel uncertain about what to do with all this awareness.
Melody Beattie
38.
A threatened nation can react to uncertain dangers solely through administrative channels, to the truly embarrassing situation of perhaps overreacting
Jurgen Habermas
39.
Other people do not see you at all, but guess at you by uncertain conjectures.
Michel de Montaigne
40.
The tenure of a literary reputation is the most uncertain and fluctuating of all.
Charles Dudley Warner
41.
I was deeply uncertain of who I was and who I wanted to be. I really thought I wanted to be a much cooler guy than what I was.
Daniel Ek
42.
Because a truly skeptical position would be a very uncertain one.
Rupert Sheldrake
43.
Let the future remain uncertain, for that is the canvas to receive our desires.
Brian Herbert
44.
Nothing is so uncertain or unpredictable as the feelings of a crowd.
Livy
45.
We always live in an uncertain world. What is certain is that the United States will go forward over time.
Warren Buffett
46.
We live in uncertain times when it comes to the future of life on Earth.
Jeff Corwin
47.
At a certain age you're always uncertain how other people will take you.
Al Purdy
48.
Insight, untested and unsupported, is an uncertain guarantee of the truth.
Bertrand Russell
49.
…a lady of what is commonly called an uncertain temper --a phrase which being interpreted signifies a temper tolerably certain to make everybody more or less uncomfortable.
Charles Dickens
50.
Deciding whether to trust or credit a person is always an uncertain task.
Aldrich Ames