Most of us put a great deal of times into work, not only because we have to work so many hours to make a living, but because work is central to the soul's OPUS. We are crafting ourselves -- individuating. Work is fundamental to the OPUS because the whole point of life is the fabrication of the soul.
The dark night of the soul refers to an extended period of acute purification that a spiritual practitioner undergoes immediately before making the final transition to deep spiritual awakening. It emphasizes purification and the act of letting go of what no longer serves after many lesser trials have been navigated.