"He was a relatively sensible man. Unfortunately, he died in 1946, and so it was left to his very orthodox pupils, who out-Keynesed Keynes, which dominated the next 30 years, and so we have been living through a period in which Keynes became a sort of saint and any critic of Keynes became a third-class citizen. Now, they've discovered that Keynes was wrong, and my reputation is reviving."