As long as the survival instinct persists, man can weave hope, however pitiful, for himself in any situation  Dostoyevsky's convicts for life were chained to the wall at the beginning of their sentences, but they still had the hope that one day they would be allowed to leave the wall, like other convicts, and walk around with their feet on
If there is no hope, no one can live
Ideal is the spiritual pillar of survival