It is also in the interests of a tyrant to make his subjects poo...the people are so occupied with their daily tasks that they have no time for plotting.
AristotleThe aim of education is to make the pupil like and dislike what he ought....The little human animal will not at first have the right responses. It must be trained to feel pleasure, liking, disgust, and hatred at those things which really are pleasant, likable, disgusting, and hateful.
Aristotle