I. The Superphysical World and Its Gnosis

But this dark side of a purely materialistic civilisation has deeply affected the whole being of the modern man. For proof it is not necessary to refer to the obvious facts already named; it would be easy to demonstrate by certain examples which are lightly underrated, especially today, how deeply rooted in the mind of the modern man is this adhesion to the testimony of the senses, or the average intelligence. And it is just these things that indicate the need for the renewal of spiritual life.