Take a dose of medicine once, and in all probability you will be obliged to take an additional hundred afterwards
Psychology helps to measure the probability that an aim is attainable.
The scientific imagination always restrains itself within the limits of probability.
Generally, a betting system for which each wager depends only on present resources and present probability of success is known as a Markov betting system.
Before you invest, you must ensure that you have realistically assessed your probability of being right and how you will react to the consequences of being wrong.
At one time, the earth was supposed to be flat. Well, so it is, even today, from Paris to Asnieres. But that fact doesn't prevent science from proving that the earth as a whole is spherical. No one nowadays denies it. Well. . . we are still at the stage of believing that life itself is flat, the distance from birth to death. Yet the probability is that life, too, is spherical and much more extensive and capacious than the hemisphere we know.
The probability of life ever evolving on Earth was slim to none. It's insane that we're all walking around and talking.
An electron is real; a probability is not.
In corporation [corporate] religions as in others, the heretic must be cast out not because of the probability that he is wrong but because of the possibility that he is right.
The theory of probability is the only mathematical tool available to help map the unknown and the uncontrollable. It is fortunate that this tool, while tricky, is extraordinarily powerful and convenient.
The consequences of an act affect the probability of its occurring again.
Every company needs to have a skunkworks, to try things that have a high probability of failing. You try to minimize failure, but at the same time, if you're not willing to try things that are inherently risky, you're not going to make progress.
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.
The first step is to establish that something is possible; then probability will occur.
The study of history, while it does not endow with prophecy, may indicate lines of probability.
It is natural to men to judge of things less known, by some similitude they observe, or think they observe, between them and things more familiar or better known. In many cases, we have no better way of judging. And, where the things compared have really a great similitude in their nature, when there is reason to think that they are subject to the same laws, there may be a considerable degree of probability in conclusions drawn from analogy.
Moral certainty is never more than probability.
and realized that death was not only a permanent probability, as he had always believed, but an immediate reality.
The principle of [divine] purpose. . . stares the biologist in the face wherever he looks. . . The probability for such an event as the origin of DNA molecules to have occurred by sheer chance is just too small to be seriously considered.
Probability fractions arise from our knowledge and from our ignorance.
