is strong scientific evidence that social attitudes are to a
   significant extent inherited. No one suggests that a social attitude
   is a direct outcome of a person's genetic constitution, but it appears
   that personality traits tend, within the context of our society, to
   make a person more likely to hold this or that social attitude.
   Objections to these findings have been raised, but objections are
   feeble and seem to be ideologically motivated. In any event, no one
   denies that children tend on the average to hold social attitudes
   similar to those of their parents. From our point of view it doesn't
   matter all that much whether the attitudes are passed on genetically
   or through childhood training. In either case the ARE passed on.
   
   205. The trouble is that many of the people who are inclined to rebel
   against the industrial system are also concerned about the population
   problems, hence they are apt to have few or no children. In this way
   they may be handing the world over