And for mathematical science, he that doubts their certainty hath need of a dose of hellebore.

It may not be impossible, but that our Faculties may be so construed, as always to deceive us in the things we judge most certain and assured.

That though we are certain of many things, yet that Certainty is no absolute Infallibility, there still remains the possibility of our being mistaken in all matters of humane Belief and Inquiry.

And for mathematical science, he that doubts their certainty hath need of a dose of hellebore.

The belief of our Reason is an Exercise of Faith, and Faith is an Act of Reason.

When I tested for Billy Budd, I had that kind of confidence that comes with the certainty that you're not going to get something. I was very rough around the edges.

A liberal knows that the only certainty in this life is change but believes that the change can be directed toward a constructive end.

From this bestial view that the human mind consists of only sense certainty, pleasure and pain, Locke developed an equally bestial theory of the nation. Man originally existed in a State of Nature of complete liberty.

I feel, sometimes, as the renaissance man must have felt in finding new riches at every point and in the certainty that unexplored areas of knowledge and experience await at every turn.

I am certain there is too much certainty in the world.

The only certainty is that nothing is certain.

The Resistance is a moral certainty, not a poetic one. The true poet never uses words in order to punish someone. His judgment belongs to a creative order; it is not formulated as a prophetic scripture.

The areas of consensus shift unbelievably fast; the bubbles of certainty are constantly exploding.

There is no certainty; there is only adventure.

We can say with certainty - or 90% probability - that the new industries that are about to be born will have nothing to do with information.

If you develop the absolute sense of certainty that powerful beliefs provide, then you can get yourself to accomplish virtually anything, including those things that other people are certain are impossible.

I found it peculiar that those who wanted to take military action could - with 100 per cent certainty - know that the weapons existed and turn out to have zero knowledge of where they were.

From principles is derived probability, but truth or certainty is obtained only from facts.

Hope is not the conviction that something will turn out well but the certainty that something makes sense, regardless of how it turns out.

Fundamentalists are panicked by the apparent disintegration of the family, the disappearance of certainty and the decay of morality. Fear leads them to ask, if we cannot trust the Bible, what can we trust?

It is to be feared that those who emigrate to New South Wales, generally anticipate too great facility in their future operations and certainty of success in conducting them; but they should recollect that competency cannot be obtained without labour.

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

A bird in hand is a certainty. But a bird in the bush may sing.

As a painter today you have to work without that essential platform. But if one does not deceive oneself and accepts this lack of certainty, other things may come into play.

Sooner or later you must move down an unknown road that leads beyond the range of the imagination, and the only certainty is that the trip has to be made.

Dogmatism and skepticism are both, in a sense, absolute philosophies; one is certain of knowing, the other of not knowing. What philosophy should dissipate is certainty, whether of knowledge or ignorance.

The unique and supreme voluptuousness of love lies in the certainty of committing evil. And men and women know from birth that in evil is found all sensual delight.

Science has proof without any certainty. Creationists have certainty without any proof.

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.

Although our intellect always longs for clarity and certainty, our nature often finds uncertainty fascinating.

We regard it as a certainty that the earth, enclosed between poles, is bounded by a spherical surface.

When the human mind exists in the light of reason and no more than reason, we may say with absolute certainty that Man and all that made him will be in that instant gone.

If a man fights his way through his doubts to the conviction that Jesus Christ is Lord, he has attained to a certainty that the man who unthinkingly accepts things can never reach.

To counter the avoidance of intellectual challenge and responsibility, we must reduce the domination of certainty in education.

No great deed is done by falterers who ask for certainty.

The statistics of life out there and the statistics of intelligent beings and advanced civilization is a certainty, the way I look at it. that It has not been accepted, because we've been in an anthropocentric era.

Probability is expectation founded upon partial knowledge. A perfect acquaintance with all the circumstances affecting the occurrence of an event would change expectation into certainty, and leave nether room nor demand for a theory of probabilities.

That though we are certain of many things, yet that Certainty is no absolute Infallibility, there still remains the possibility of our being mistaken in all matters of humane Belief and Inquiry.

To believe with certainty we must begin with doubting.

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.

But teleological considerations can lead no further than to a belief and a hope. They do not give certainty.

I would say that without any doubt he's the killer - the law says beyond a reasonable doubt and to a moral certainty which I - there's no question that he was the killer of President Kennedy.

Whether gods exist or not, there is no way to get absolute certainty about ethics. Without absolute certainty, what do we do? We do the best we can.

We often call a certainty a hope, to bring it luck.

When we deal with questions relating to principles of law and their applications, we do not suddenly rise into a stratosphere of icy certainty.

If I am fool, it is, at least, a doubting one; and I envy no one the certainty of his self-approved wisdom.

The American people want us to stop spending. And so let's just give them some certainty. Let's extend the tax - the existing tax cuts. And then let's give some more tax breaks to small businesses and large. And then maybe the American people will have some confidence.

Step by step a powerful and enterprising race has driven them back from the Atlantic to the West until at last there is scarcely a spot of ground upon which the Indians have any certainty of maintaining a permanent abode.

The quest for certainty blocks the search for meaning. Uncertainty is the very condition to impel man to unfold his powers.