中庸
In China prior to the twentieth century the "Doctrine of the Mean" was integrated into the education system statewide. Also, one of the prerequisites for employment in the imperial government was the study and understanding of the Four Classics, included in this is the "Doctrine of the Mean". The imperial state wanted to reinforce the three bonds of society; between the parent and child, husband and wife, and ruler and subject. This was believed to emphasize a peaceful home and an orderly state.