Ideas that Have Harmed Mankind from "Unpopular Essays" by Bertrand Russell . The misfortunes of human beings may be divided into two classes: First, those inflicted by the non-human environment and, second, those inflicted by other people. As mankind have progressed in knowledge and technique, the second class has become a continually increasing percentage of the total. In old times, famine, for example, was due to natural causes, and although people did their best to combat it, large numbers of them died of starvation. At the present moment large parts of the world are faced with the threat of famine, but although natural causes have contributed to the situation, the principal causes are human. For six years the civilized nations of the wo... (From : http://www.geocities.com/Athens/Oracle/2528/br_ide....)