What were the main principles of Ashoka's dhamma?

The main principles of Ashoka's dhamma were the following:

1. Live together in peace and harmony.
2. Be friendly towards one another and do not fight over land and religion.
3. Follow Ahimsa, i.e, non - injury and non - violence.
4. Children should obey their elders and elders should treat children with affection.
5. Be kind to slaves and servants.
6. Be truthful and charitable.
7. Do not indulge in unnecessary rituals.