similar　kind　would　result　from　them；　as　from　the　population　of　a
  country　being　pushed　to　the　very　extreme　limits　of　its　food。
  There　would　be　no　resources　in　a　scarcity。　I　own　I　do　not　see；
  with　pleasure；　the　great　extension　of　the　practice　of　task　work。
  To　work　really　hard　during　twelve　or　fourteen　hours　in　the　day；
  for　any　length　of　time；　is　too　much　for　a　human　being。　Some
  intervals　of　ease　are　necessary　to　health　and　happiness：　and　the
  occasional　abuse　of　such　intervals　is　no　valid　argument　against
  their　use。
  18。　I　have　hinted　before；　in　a　note；　that　profits　may；　without
  impropriety；　be　called　a　surplus。　But；　whether　surplus　or　not；
  they　are　the　most　important　source　of　wealth；　as　they　are；　beyond
  all　question；　the　main　source　of　accumulation。
  19。　Adam　Smith　notices　the　bad　effects　of　high　profits　on　the
  habits　of　the　capitalist。　They　may　perhaps　sometimes　occasion
  extravagance；　but　generally；　I　should　say；　that　extravagant
  habits　were　a　more　frequent　cause　of　a　scarcity　of　capital　and
  high　profits；　than　high　profits　of　extravagant　habits。
  End