Starting from a logically clear concept of probability, based on experience, using arguments which are usually called statistical, we can discover tr… - Richard von Mises

The whole financial basis of insurance would be questionable if it were possible to change the relative frequency of the occurrence of the insurance cases (deaths, etc.) by excluding, for example, every tenth one of the insured persons, or by some selection principal.

It has been asserted - and this is no overstatement - that whereas other sciences draw their conclusions from what we know, the science of probability derives its most important results from what we do not know.

The main interest of physical statistics lies in fact not so much in the distribution of the phenomena in space, but rather in their succession in time.