They believe that after death they go to what they call the world of darkness.

The death they long for leads to the darkness that they love; and the death and the darkness are eternal.

Still, they persist in saying that the death and the darkness together form a state of bliss.

They are eloquent about the happiness that awaits them there in the sunless land--the world of darkness; but for my own part, it always seemed to me a state of nothingness..