Download This Image
  • John Stuart Mill Quote - The perpetual obstacle to human advancement is custom. Download This Image
  • John Stuart Mill Quote - The perpetual obstacle to human advancement is custom.
  • John Stuart Mill Quote - The perpetual obstacle to human advancement is custom.
  • John Stuart Mill Quote - The perpetual obstacle to human advancement is custom.
  • John Stuart Mill Quote - The perpetual obstacle to human advancement is custom.
  • John Stuart Mill Quote - The perpetual obstacle to human advancement is custom.
  1. black
  2. grey
  3. blue
  4. red
  5. brown
  6. white

The perpetual obstacle to human advancement is custom.