Have the gates of death been opened unto thee? or hast thou seen the doors of the shadow of death? Have the gates of death been opened unto thee? - Dost thou know in what the article of death consists? This is as inexplicable as the question, What is animal life?
The doors of the shallow of death? - צלמות tsalmaveth, the intermediate state, the openings into the place of separate spirits. Here two places are distinguished: מות maveth, death, and צלמות tsalmaveth, the shadow of death. It will not do to say, death is the privation of life, for what then would be the shadow of that privation?