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 animals that depend on instinct have an inherent knowledge of the laws of economics and of how to apply them Man with his powers of reason has reduced economics to the level of a farce which is at once funnier and more tragic than Tobacco Road.