it's not preuss. it's the structure. all works of culture should be how it can change your life, how picasso can change your life. that's a method that was lost at our peril. >> host: more importantly that's how we've wrote it. >> guest: absolutely. this is a man looking for the meaning of life and to finding a a quasireligious path to redemption and he, preuss who knew a lot about religion is precisely the following. >> host: you have some specific ideas i want to ask you about travel agents. i don't need to list them upon the restaurants, but maybe you could spell some of them out. >> guest: one of the things i do in my book is to provoke the reader. what i'm telling you here's not merely merely set of ideas. i'm trying to imagine how they treat the world and change the road with the help of certain concepts that we may be discussing. why do we do that? the practices and area and books are in another. because i'm writing about religion, which are all about the union of practice and eerie it seems exciting and interesti