The general principle of augury is what

In ancient times, people think big things to the will of the gods, and the best way to communicate with the gods is augury.Augury is widely applied in People's Daily life, not only the affairs of state need augury to decide, even small or civil weddings, etc, to advance the imago before operation.

Augury has two basic principles: divinatory after; first, to for this;Augury not three.When in divination one thing that is to say, to divinatory accounts; first, to do with tortoiseshell divination, and given priority to with the result of the terrorist.In addition, the number of augury can't more than three times, we often hear about "thing but three" may also comes from this.