Those who have not the good fortune to possess capital must not seek to improve their lot by revolution.
 Bertrand Russell, A History of Western Philosophy (1945). copy citation

Context

“in orthodox economics, is a very artificial conception, hedged in by legal restrictions. You may undersell a competitor, but you must not murder him. You must not use the armed forces of the State to help you to get the better of foreign manufacturers. Those who have not the good fortune to possess capital must not seek to improve their lot by revolution. “Free competition,” as understood by the Benthamites, was by no means really free. Darwinian competition was not of this limited sort; there were no rules against hitting below the belt. The framework of law does not exist among animals, nor is war excluded as a competitive method.” source