Adam Smith. We’ve all heard of him and his invisible hands. Smith was a revered professor of moral philosophy, the ultimate establishment figure of the early Scottish Enlightenment, and is now often hailed as the founding father of capitalism. In contrast, David Hume, though widely regarded as the most important philosopher ever to write in English, during his lifetime was labelled as the Great Infidel, notorious for his skeptical religious views and deemed unfit to be teaching. Remarkably, these iconic thinkers were in fact best friends!