The story of the Kelly system is a story of secrets - or if you prefer, a story of entropy. - William Poundstone

For reasons mathematical, psychological, and sociological, it is a good idea to use a money management system that is relatively forgiving of estimation errors.

The more improbable the message, the less "compressible" it is, and the more bandwidth it requires. This is Shannon's point: the essence is its improbability.

Expectation is a statistical fiction, like having 2.5 children.