books.google.com.br - Hannah Arendt's penetrating observations on the modern world, based on a profound knowledge of the past, constitute a major contribution to political philosophy and to our understanding of the twentieth century. On Revolution is her classic analysis of a...http://books.google.com.br/books/about/On_Revolution.html?hl=pt-BR&id=C8GoV3xOVbIC&utm_source=gb-gplus-shareOn Revolution