1649. Wonderful to say, this kind of speech, possessing the rhythmical or harmonic cadence of songs, is natural to spirits. They speak so among themselves, although they are not aware of it. Immediately after death souls come into the habit of speaking in this way. I have been initiated into the same, and it has at last become familiar. The reason their speech is of this nature, is that they speak in society, which for the most part they are not aware of: a very clear proof that they are all distinguished into societies, and that consequently all things fall into the forms of the societies.