Now… the kind of misogi that we do in water: the world of this water contains the three worlds – manifest, hidden, divine.
And what do we mean by “manifest, hidden, divine?” Well, the manifest world is t h i s world, the everyday world that we live in. Then… the hidden world is the world of Buddhism, [the dharma-world where karma operates.] And the divine world is the world of the spirit.
– – – O’Sensei, probably audio-recorded by by Masatake Fujita, transcribed by Sadateru Arikawa Shihan, published in Aiki-Shinzui, p.138