Hell is oneself; Hell is alone, the other figures in it merely projections. There is nothing to escape from and nothing to escape to. One is always alone.

My childhood was full of deep sorrows -- colic, whooping-cough, dread of ghosts, hell, Satan, and a Deity in the sky who was angry when I ate too much plumcake.

What is hell? Hell is oneself.
Hell is alone, the other figures in it
Merely projections. There is nothing to escape from
And nothing to escape to. One is always alone.

Written over the gate here are the words 'Leave every hope behind, ye who enter.' Only think what a relief that is! For what is hope? A form of moral responsibility. Here there is no hope, and consequently no duty, no work, nothing to be gained by praying, nothing to be lost by doing what you like. Hell, in short is a place where you have nothing to do but amuse yourself.

[He appreciated its] compounded vulgarity, ... It had that Peter Finch in 'Network,' 'I'm mad as hell and I'm not going to take it anymore' quality.

The Road to Hell.