Food for thought:

In The Short Discourse of Hell von Balthasar states: “I claim nothing more than this: that these statements [that speak of hope] give us right to have hope for all men, which simultaneously implies that I see no need to take the step from the threats to the positing of a hell occupied by our brothers and sisters, through which our hopes would come to naught (…) The hope cannot be attained, but hope can be justified