Quotes About Certainty

Scientists do not believe in fundamental and absolute certainties. For the scientist, certainty is never an end, but a search; not the ordering of certainty, but its exploration. For the scientist, certainty represents the highest degree of probability.

People are saying that they want be convinced [about global warming], perfectly. They want to know the climate science projections with 100 per cent certainty. Well, we know a great deal and even with that there is still uncertainty. But the trend line is very clear. We never have 100 per cent certainty. We never have it. If you wait till you have 100 per cent certainty, something bad is going to happen on the battlefield. That's something we know. You have to act with incomplete information. You have to act based on the trend line.

Look at the chaos of European history. Europeans cannot believe in certainty. But Americans believe in certainty. Americans think this can go on like this forever. Just as it is. No change.

Climate Change is a national security issue. We found that climate instability will lead to instability in geopolitics and impact American military operations around the world. People are saying they want to be perfectly convinced about climate science projections. But speaking as a soldier, we never have 100 percent certainty. If you wait until you have 100 percent certainty, something bad is going to happen on the battlefield.

The quest for precision is analogous to the quest for certainty and both - precision and certainty are impossible to attain.

The best kind of men have a certainty in themselves that isn't done in when countered by a certainty in their women, and they are much adored.

Moral certainty, clear standards, and a commitment to spiritual ideals will set you apart in a world that searches for meaning.

And when I wake up it's wonderful, like I've been carried quietly onto a calm, peaceful shore, and the dream, and its meaning, has broken over me like a wave and is ebbing away now, leaving me with a single, solid certainty. I know now.

He had found the band of jackals he needed. But as Jack McCall rode through the center of town, he experienced the terrifying certainty that a man faces when he's about to make his own name famous. He lacked both a hero's calm and a coward's resolve to survive at any price.

It wasn't about wanting to die or having nothing left to live for; it was about letting go. You live your life doing what you're supposed to do, following the rules, following your conscience no matter what your gut tells you - and most times, that's okay. Control is good. It allows you to believe in certainty and absolutes, like lining up the perfect shot. But when you hold on for so long, and hold on so tight, every once in a while you have to close your eyes and jump." Kelley Armstrong - Exit Strategy

There are many levels of life which we cannot see and know, yet which certainly exist. There is a larger world, vast enough to include immortality.... Our spiritual natures belong to this larger world ... If death is apparently an outward fact, immortality is an inner certainty.

Absolute certainty will always elude us. We will always be mired in error. The most each generation can hope for is to reduce the error. . . .

I have made a long enough descent into the void to speak with certainty. There is nothing but beauty--and beauty has only one perfect expression, Poetry. All the rest is a lie.

Such certainty is beautiful, but uncertainty is more beautiful still

We find that the statements of science are not of what is true and what is not true, but statements of what is known with different degrees of certainty: "It is very much more likely that so and so is true than that it is not true".

If we have not found heaven within, it is a certainty we will not find it without.

If art made you think, then this was Art. Staring at the ball, made of layers and layers of cloth, I wondered about the glass marble at its heart. What if you wanted to reach that marble? Make sure it was still whole? You'd have to remove the layers. You'd have to risk breaking the ball for a chance at freeing it. Fear, knowledge, certainty - you'd have to be willing to let them all go.

A habit of basing convictions upon evidence, and of giving to them only that degree or certainty which the evidence warrants, would, if it became general, cure most of the ills from which the world suffers.

...it is absurd to try to confine our knowledge and belief to matters which are conclusively established by sound deductive arguments. The demand for certainty will inevitably be disappointed, leaving skepticism in command of almost every issue.

Just as the spectroscope opened up a new astronomy by enabling the astronomer to determine some of the constituents of which distant stars are composed, so the seismograph, recording the unfelt motion of distant earthquakes, enables us to see into the earth and determine its nature with as great a certainty, up to a certain point, as if we could drive a tunnel through it and take samples of the matter passed through.

I know with certainty, that [an honest man] is not to put his hand into the fire, and hold it there, till it be consumed: And thisevent, I think I can foretell with the same assurance, as that, if he throw himself out at the window, and meet with no obstruction, he will not remain a moment suspended in the air.

Digital television is no longer a probability, it is a certainty.

Vast ills have followed a belief in certainty.

It is only of life on Earth, however, that one can speak with any certainty. It seems to me that all life on Earth, the sum total of life upon the Earth, has purpose.

Doubt is to certainty as neurosis is to psychosis. The neurotic is in doubt and has fears about persons and things; the psychotic has convictions and makes claims about them. In short, the neurotic has problems, the psychotic has solutions.

Logic is the foundation of the certainty of all the knowledge we acquire.

In spite of the opinions of certain narrow-minded people who would shut up the human race upon this globe, we shall one day travel to the Moon, the planets, and the stars with the same facility, rapidity and certainty as we now make the ocean voyage from Liverpool to New York.

What unnerves so many liberals about talk radio? Simple: It's the unapologetic nature of the conversation, the unwavering sense of certainty. Where's the nuance? The shades of gray? We all know truth is a fragile butterfly dancing in and out of shadow and light, and these guys act as though truth is a rhino charging across a sunlit veldt.

O Mother of God! If I place my confidence in thee, I shall be saved; if I am under thy protection, I have nothing to fear; for the fact of being thy client is a possession of a certainty of salvation which God grants only to those whom He intends to save.

as a bird swoops down on it's prey, and assumes this land bound wretch into heaven, so did romeo steal her lips before they fled him again. suspended somewhere between cherubs and devils, his quarry ceased to buck, and he spread his wings wide and let the rising wind carry them off across the sky, until even the predator himself had lost every hope of returning home. within that one embrace, [he] became aware of a feeling of certainty he had not thought possible for anyone - even the virtuous. with her in his arms, all other women, past, present, and future, simply ceased to exist.

The difference between religion and science is the difference between thoughtless certainty and thoughtful doubt.

What are the most important qualities that make a successful entrepreneur? The ability to communicate. The ability to express your idea with certainty. That's how you become a leader-even if you are unsure, your ability to explain your vision and your direction is the attribute you need the most. ... Articulate your idea in 90 seconds or less.

But there were other, vaguer, harder-to-pin-down feelings, like: a pit in the stomach that means something is either really good or really bad or both. A feeling of being old and young at once. A sense of beginnings and endings happening at the same time. A certainty that your life is changing, but an uncertainty about how it's changing and whether you want it to.

Adventure upon all the tickets in the lottery, and you lose for certain; and the greater the number of your tickets the nearer your approach to this certainty.

We cannot live on probabilities. The faith in which we can live bravely and die in peace must be a certainty, so far as it professes to be a faith at all, or it is nothing.

Faith is not a question of basking in the certainty that there is a God and that God is taking care of us. Many of us are never granted this kind of assurance. Certitude is not the real substance of faith. Faith is a way of seeing things.

Man's quest for knowledge is an expanding series whose limit is infinity, but philosophy seeks to attain that limit at one blow, by a short circuit providing the certainty of complete and inalterable truth. Science meanwhile advances at its gradual pace, often slowing to a crawl, and for periods it even walks in place, but eventually it reaches the various ultimate trenches dug by philosophical thought, and, quite heedless of the fact that it is not supposed to be able to cross those final barriers to the intellect, goes right on.

We see it [the as-yet unseen, probable new planet, Neptune] as Columbus saw America from the coast of Spain. Its movements have been felt, trembling along the far-reaching line of our analysis with a certainty hardly inferior to that of ocular demonstration.

We are talking about capital-intensive enterprises, so market certainty is the key. Investors and entrepreneurs have to know that there will be a guaranteed U.S. renewable energy market in which they can compete. Otherwise, they will create the next generation of green companies and green jobs in Asia, not here.

In order to improve the condition of mankind all men must be given the certainty of security through the exchange of safeguards, the assurance of prosperity through an exchange of resources, the reality of freedom through the free movement of information, persons and ideas.

I like the idea of making films about ostensibly absolutely nothing. I like the irrelevant, the tangential, the sidebar excursion to nowhere that suddenly becomes revelatory. That's what all my movies are about. That and the idea that we're in possession of certainty, truth, infallible knowledge, when actually we're just a bunch of apes running around. My films are about people who think they're connected to something, although they're really not.

The human mind, in proportion as it is deprived of external resources, sedulously labors to find within itself the means of happiness, learns to rely with confidence on its own exertions, and gains with greater certainty the power of being happy.

To tell you the truth, the older I get, the less I know. I keep meeting people, both older and younger, who seem to have accrued so much more knowledge or expertise or certainty about who they are and the jobs they do. I just marvel at it.

One can re-create what was in the mind of a mathematician a thousand years ago, recapture the truth of the intellect wherever it may have once come to light; but the image of art, that infinite variable of perception and expression in the individual, - that is not easily re-created, at least, not with certainty and in its original fulness.

He'd gone to Louddon's fortress to take Madelyne captive. His plan was revenge; an eye for an eye. And that had been reason enough. Until she'd warmed his feet. Everything had changed at that moment. Duncan had known with a certainty he couldn't deny that they were henceforth bound together. He could never let her go.

I do know something. Just not with any certainty.

One must verify or expel his doubts, and convert them into the certainty of Yes or NO.

Every time an article is written about me or any of my contemporaries who's had the fortune and discipline to look good at a certain age, I am struck by the tone of astonishment, and the certainty that something is being done secretively to beat the devil.