A Treatise on Probability

Galbraith became famous in the 19 fifties as as another public intellectual. 15 years before the general theory, kaines had published a treatise on probability. It's a book about the nature of rationality and what it means to be a rational or reasonable person making decisions in a world where we do not know what the future will bring. And he says, you can't put a fraction or a percentage on those future outcomes. There is no, you don't get to repeat the experiment.