It was his sense of the precariousness of capitalist civilisation which drew Keynes to monetary policy. Instability in the value of money was undermi… - Robert Skidelsky

Keynes is not just for the foxhole, but for the emerging world order.

Like Odysseus, Keynes was a successful, not a tragic, hero. He heard the beautiful singing of the Sirens, but took precautions against being shipwrecked, keeping to the course for which his talents and the state of the world predestined him. Artfully, he strove for the best of all worlds, in his life and his work, and miraculously, came close to achieving it.

Keynes's idea was very simple. Monetary and fiscal policy should have a single goal, jointly pursued, of maintaining a full employment level aggregate demand.