《礼记·祭统》
下面分开来说。铺设筵席，设置同几，让鬼神凭依；在室内向神诏告祝辞，又在门外举行绎祭，这些都是雨神明交接的方法。
铺筵设同几，为依神也；诏祝于室，而出于祊，此交神明之道也。
The following is discussed separately. Spread out the mats, set up the same, let the ghosts and gods rely on; the gods are proclaimed in the house, and the funeral sacrifices are held outside the door. These are all methods for the gods to communicate.