As I approach my 88th birthday it's become apparent to me that my eyes and ears among other appurtenances aren't quite what they used to be. The prospect of long flights to wherever in search of whatever are not quite as appealing.
And as I have said it's made me think twice about the imagination. If the spirits aren't external how astonishing the mediums become! Victor Hugo said of his voices that they were like his own mental powers multiplied by five.