There is no GR to understand in economics, either. Keynes' theory is very rish but I don't think it has been comprehensively mathematised, and it's not like Keynes thought it was necessary either. We have met the enemy, and he is us — Pogo
Paul Krugman is a notable exception among the younger economists, as someone who, in my opinion, is razor-sharp on the intuition and on the strengths and weaknesses of the mathematics. Same goes for Stiglitz and DeLong. Conservatives want live babies so they can raise them to be dead soldiers. - George Carlin