amount of change because the whole thing is so unstable so volatile that every little effort pushes it munder action or another so i sometimes say this is the historic. of the whole greek philosophical distinction between determinism and free will when the system is relatively stable it's a relatively determinist system in which we have relatively little free play but when it's all unstable when it's going into structural crisis freewill comes into the picture that is to say your action and my actions really matter in a way that. they didn't for five hundred years that that's my basic point now that you've always dreamed karl marx as one of your biggest influences do you think he's still as relevant in twenty first century. look col marx was a great great thinker of the nineteenth century he had all the virtues of his insights and all the limitations of being a man of the nineteenth century one of his great limitations was that he was too much of a classical economist. he was too much of a determinist and he didn't see the fact that systems he did see that systems come to an end but he though