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In page Norito:

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Norito is a form of a rhythmic poem recited to facilitate the transmission of posterity.[2] The incantation would usually begin with praises for the supreme power of kami and concludes with an expression of respect and awe.[2] The Nakatomi no Harae Kunge or the Exposition of the Ritual of Purification describes norito within a process that implies the idea of human beings as children of the kami who lost their purity but returns to their divine origin by restoring it.[3]