These letters, addressed to Frederic Bastiat, an economist, originally appeared in a debate published in The Voice of the People, in 1849. Interest and Principal The Origin of Ground Rent I said before that in ancient times the landed proprietor, when neither he nor his family farmed his land, as was the case among the Romans in the early days of the Republic, cultivated it through his slaves: such was the general practice of patrician families. Then slavery and the soil were chained together; the farmer was called adscrpitus gleboe, joined to the land; property in men and things was undivided. The price of a farm depended upon its area and quality of its soil, upon the quantity of stock, and upon the number of slaves. When the emancipation... (From : Anarchy Archives.)
Proudhon, Pierre Joseph. System of Economical Contradictions: or, the Philosophy of Misery Electronic Text Center, University of Virginia Library III. It remains for me to tell why, in a work on political economy, I have felt it necessary to start with the fundamental hypothesis of all philosophy. And first, I need the hypothesis of God to establish the authority of social science. -- When the astronomer, to explain the system of the world, judging solely from appearance, supposes, with the vulgar, the sky arched, the earth flat, the sun much like a football, describing a curve in the air from east to west, he supposes the infallibility of the senses, reserving the right to rectify subsequently, after further observation, the data with which he is obliged to start. Astronomic philosophy, in fact, could not admit a priori that the senses deceive us, and that we do not see what we do see: admittin...