Plato and Kant, Adam Smith and Karl Marx, who have not been able to say everything they knew or thought in a single work. Those who judge Kant’s Critique of Pure Reason without reading his Critique of Practical Reason, or Adam Smith’s Wealth of Nations without reading his Theory of the Moral Sentiments, or The Communist Manifesto without Marx’s Capital, are more likely than not to be agreeing or disagreeing with something they do not fully understand.
