A Quote by Plato

Arguments derived from probabilities are idle. — © Plato
Arguments derived from probabilities are idle.

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One influential philosophical position about the use of probability in science holds that probabilities are objective only if they are based on micro-physics; all other probabilities should be interpreted subjectively, as merely revealing our ignorance about physical details. I have argued against this position, contending that the objectivity of micro-physical probabilities entails the objectivity of macro-probabilities.
I know too well that these arguments from probabilities are imposters, and unless great caution is observed in the use of them, they are apt to be deceptive.
There is no satisfaction to be derived from having had many of our arguments borne out by events.
The supposition that the future resembles the past, is not founded on arguments of any kind, but is derived entirely from habit.
Custom is custom: it is built of brass, boiler-iron, granite; facts, reasonings, arguments have no more effect upon it than the idle winds have upon Gibraltar.
The office of science is not to record possibilities; but to ascertain what nature does ... As far as Darwinism deals with mere arguments of possibilities or even probabilities, without a basis of fact, it departs from the true scientific method and injures science, as most of the devotees of the new ism have already done.
If an event can be produced by a number n of different causes, the probabilities of the existence of these causes, given the event (prises de l'événement), are to each other as the probabilities of the event, given the causes: and the probability of each cause is equal to the probability of the event, given that cause, divided by the sum of all the probabilities of the event, given each of the causes.
There are idle spots on every farm, and every highway is bordered by an idle strip as long as it is; keep cow, plow, and mower out of these idle spots, and the full native flora, plus dozens of interesting stowaways from foreign parts, could be part of the normal environment of every citizen.
When the idle poor, Become the idle rich, You'll never know, Just who is who, Or who is which.
They are not only idle who do nothing, but they are idle also who might be better employed.
I don't understand being idle; I don't have an idle setting. I probably should develop one.
Many persons nowadays seem to think that any conclusion must be very scientific if the arguments in favor of it are derived from twitching of frogs' legs (especially if the frogs are decapitated) and that, on the other hand, any doctrine chiefly vouched for by the feelings of human beings (with heads on their shoulders) must be benighted and superstitious.
I am well acquainted with all the arguments against freedom of thought and speech - the arguments which claim that it cannot exist, and the arguments which claim that it ought not to. I answer simply that they don't convince me and that our civilization over a period of four hundred years has been founded on the opposite notice.
Because of mathematics precise, formal character, mathematical arguments remain sound even when they are long and complex. In contast, common sense arguments can generally be trusted only if they remain short; even moderately long nonmathematical arguments rapidly becomes farfetched an dubious.
Highly technical philosophical arguments of the sort many philosophers favor are absent here. That is because I have a prior problem to deal with. I have learned that arguments, no matter how watertight, often fall on deaf ears. I am myself the author of arguments that I consider rigorous and unanswerable but that are often not such much rebutted or even dismissed as simply ignored.
When confronted with two courses of action I jot down on a piece of paper all the arguments in favor of each one, then on the opposite side I write the arguments against each one. Then by weighing the arguments pro and con and cancelling them out, one against the other, I take the course indicated by what remains.
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