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.

Certainty without power can be interesting, even amusing. Certainty with power can be dangerous.

The scientist believes in proof without certainty, the bigot in certainty without proof.

A great man, who was convinced that the truths of political and moral science are capable of the same certainty as those that form the system of physical science, even in those branches like astronomy that seem to approximate mathematical certainty. He cherished this belief, for it led to the consoling hope that humanity would inevitably make progress toward a state of happiness and improved character even as it has already done in its knowledge of the truth.

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.

Certainty is an unrealistic and unattainable ideal

What I want to say is that I owe all the happiness of my life to you. You have been entirely patient with me and incredibly good. Everything is gone from me but the certainty of your goodness. I can't go on spoiling your life any longer. I don't think two people could have been happier than we have been.

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 is a good thing to proceed in order and to establish propositions. This is the way to gain ground and to progress with certainty.

... the English alphabet is pure insanity..., It can hardly spell any word in the language with any degree of certainty.

One of the few certainties in life is that persons of certainty should certainly be avoided.

If I knew for a certainty that a man was coming to my house with the conscious design of doing me good, I should run for my life.

The best argument for Christianity is Christians: their joy, their certainty, their completeness. But the strongest argument against Christianity is also Christians-when they are somber and joyless, when they are self-righteous and smug in complacent consecration, when they are narrow and repressive, then Christianity dies a thousand deaths.

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

Self-development is the only thing that keeps a person from burning out. We all have many needs - the need for certainty, the need for variety, the need for significance, and the need for connection. But, ultimately, we must grow, and we must contribute in a meaningful way in order to feel fulfilled.

To a certain extent all philosophers have been involved in a systematic questioning that undermines confidence and certainty. Philosophy as a whole unleashed skeptical forces which, outside of the tightly controlled environment of a rigorous philosophical debate, led a lot of people to throw their hands up in despair and think 'what's the point?'. A lot of the public perception of philosophy is that it leaves you with no answers, and more confused than you were at the beginning.

It seems to me that self confidence and the ability to stand one's ground are essential if we want to succeed in life. I am not talking of stupid self-assurance but of an awareness of our inner potential, a certainty that we can always correct our behavior, improve ourselves, enrich ourselves, and that things are never hopeless

It is wrong for a man to say that he is certain of the objective truth of any proposition unless he can produce evidence which logically justifies that certainty. This is what Agnosticism asserts; and, in my opinion, it is all that is essential to Agnosticism. That which Agnostics deny and repudiate, as immoral, is the contrary doctrine, that there are propositions which men ought to believe without logically satisfactory evidence; and that reprobation ought to attach to the profession of disbelief in such inadequately supported propositions.

I cleanse the windows of my mind, that it may become a mirror reflecting inspiration from the most High. I do this, not with strenuous effort, but through quiet contemplation, through gently reaching and affirming an inward recognition. I know exactly what to do in every situation. There is an inspiration within me which governs every act, every thought, with certainty, with conviction and in peace.

The only certainty is uncertainty

In all determinations of morality, this circumstance of public utility is ever principally in view; and wherever disputes arise, either in philosophy or common life, concerning the bounds of duty, the questions cannot, by any means, be decided with greater certainty, than by ascertaining, on any side, the true interests of mankind. If any false opinion, embraced from appearances, has been found to prevail; as soon as farther experience and sounder reasoning have given us juster notions of human affairs, we retract our first sentiment, and adjust anew the boundaries of moral good and evil.

There is more to creative mastership than the surface of satisfaction and political certainty. The music of Joe Fonda is part of a living tradition of belief and dedication. Future historians will be surprised at the breadth of Mr. Fonda's offerings. This is a real virtuoso and composer of the highest order.

Be sure of the foundation of your life. Know why you live as you do. Be ready to give a reason for it. Do not, in such a matter as life, build an opinion or custom on what you guess is true. Make it a matter of certainty and science.

There are two options for any society: total prohibition as in a totalitarian state, or total license. Both avoid the ardours of decision. Both have the attraction of certainty. The difficult option is to decide where the line should be drawn and this, surely, is the responsiblity of any civilized and democratic country.

In our reasonings concerning matter of fact, there are all imaginable degrees of assurance, from the highest certainty to the lowest species of moral evidence. A wise man, therefore, proportions his belief to the evidence.

Every increase in your knowledge is a simultaneous decrease. You learn and you unlearn at the same time. A new certainty is a new doubt as well.

It is a certainty that Herbalife is a pyramid scheme. We believe it's harming a population of low-income, principally Hispanic people in the U.S. to benefit a handful of super wealthy people at the top of the pyramid.

You want to be a hero? Learn to create certainty in the face of fear.

I speak "with absolute certainty" only so far as my own personal belief is concerned. Those who have not the same warrant for their belief as I have, would be very credulous and foolish to accept it on blind faith. Nor does the writer believe any more than her correspondent and his friends in any "authority" let alone "divine revelation"!

The certainty that life cannot be long, and the probability that it will be much shorter than nature allows, ought to awaken every man to the active prosecution of whatever he is desirous to perform.

But just as much as it is easy to find the differential [derivative] of a given quantity, so it is difficult to find the integral of a given differential. Moreover, sometimes we cannot say with certainty whether the integral of a given quantity can be found or not.

The only certainty is death.

ritual lulls our fear of disorder with the certainty of order.

I said to him, "Shall I tell you where the men are who believe most in themselves? For I can tell you. I know of men who believe in themselves more colossally than Napoleon or Caesar. I know where flames the fixed star of certainty and success. I can guide you to the thrones of the Super-men. The men who really believe in themselves are all in lunatic asylums.

We come to recognize that playfulness, as a philosophical stance, can be very serious indeed; and moreover, that it possesses an unfailing capacity to arouse ridicule and hostility in those among us who crave certainty, reverence, and restraint.

The human spirit glows from that small inner light of doubt whether we are right, while those who believe with certainty that they possess the right are dark inside and darken the world outside with cruelty, pain, and injustice.

Certainty ends inquiry.

The only certainty is that we never know what tomorrow holds. We live for today, life is short, so let's enjoy it together while we can.

Change is the investor's only certainty.

Infinite possibility in all things is a certainty. That pretty much covers theology and philosophy for me.

Powerful men in particular suffer from the delusion that human beings have no memories. I would go so far as to say that the distinguishing trait of powerful men is the psychotic certainty that people forget acts of infamy as easily as their parents birth

Study nothing except in the knowledge that you already knew it. Worship nothing except in adoration of your true self. And fear nothing except in the certainty that you are your enemy's begetter and its only hope of healing.

I put heavy weight on certainty. It's not risky to buy securities at a fraction of what they're worth.

This was my voice, but perfectly wise, calm and compassionate. This was what my voice would sound like if I’d only ever experienced love and certainty in my life. How can I describe the warmth of affection in that voice, as it gave me the answer that would forever seal my faith in the divine?

I never cling on to hope or certainty. They're the enemies of peace.

I have a dogmatic certainty: God is in every person's life. God is in everyone's life. Even if the life of a person has been a disaster, even if it is destroyed by vices, drugs or anything else - God is in this person's life. You can - you must - try to seek God in every human life.