Potentia of Poverty: Marx Reads Spinoza - Paperbackby Margherita Pascucci (Author), Antonio Negri (Preface by) Potentia of Poverty opposes to the surplus value of capital a surplus concept of life of the worker, of the non worker, of the poor, of the rich: an excess of being with the power to undo capital by using its own mechanism. Antonio Negri writes in the preface that "The poor is the powerful, Pascucci tells us. She interprets Marx as a reader of Spinoza; however, maybe there is something more