CHAPTER VIII. [1256a] As a Slave Is a Particular Species of Property, Let Us by

"No bounds to riches can be fixed for man;"

for they may be fixed as in other arts; for the instruments of no art whatsoever are infinite, either in their number or their magnitude; but riches are a number of instruments in domestic and civil economy; it is therefore evident that the acquisition of certain things according to nature is a part both of domestic and civil economy, and for what reason.