In economics you cannot convict your opponent of error; you can only convince him of it. And, even if you are right, you cannot convince him, if there is a defect in your own powers of persuasion and exposition or if his head is already so filled with contrary notions that he cannot catch the clues to your thought which you are trying to throw to him.

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "In economics you cannot convict your opponent of error; you can only convince him of it. And, even if you are right, you cannot convince him, if there is a defect in your own powers of persuasion and exposition or if his head is already so filled with contrary notions that he cannot catch the clues to your thought which you are trying to throw to him." in the context of "Drafts of chapters 8, and 9 of the draft of the General Theory for the summer of 1934. published in The General Theory and After. Part I: Preparation. Collected Writings vol. XIII (1973)" to mean that wisdom is timeless.