Psychology helps to measure the probability that an aim is attainable.
Edward Thorndike

The 50-50-90 rule: Anytime you have a 50-50 chance of getting something right, there's a 90% probability you'll get it wrong.
Andy Rooney

The consequences of an act affect the probability of it's occurring again.
B. F. Skinner

The fact that we don't keep repeating tests in the same arena is not because the probability of the hypothesis showing its falsity in other arenas goes up after it has passed tests in one arena.
Robert Nozick

The laws of probability, so true in general, so fallacious in particular.
Edward Gibbon

The new always happens against the overwhelming odds of statistical laws and their probability, which for all practical, everyday purposes amounts to certainty; the new therefore always appears in the guise of a miracle.
Hannah Arendt

The probability that we may fail in the struggle ought not to deter us from the support of a cause we believe to be just.
Abraham Lincoln

The scientific imagination always restrains itself within the limits of probability.
Thomas Huxley

They were being driven to a prison, through no fault of their own, in all probability for life. In comparison, how much easier it would be to walk to the gallows than to this tomb of living horrors!
Nellie Bly

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.
Peter Drucker

We didn't push the Russians to intervene, but we knowingly increased the probability that they would.
Zbigniew Brzezinski

What is being talked about now is the probability of the Sharon government launching an attack against Lebanon to eliminate the resistance of Hezbollah by using the American war against Iraq. But, of course, in this case, we will certainly fight with all our strength.
Hassan Nasrallah