Basic start point for those who seek within to get out, shows the one and only opponent to fight, the only war there is, the only dance to dance.
Undiscovered due to the illusion we keep intact, which can be used to NOT think for yourself (Bill Dawson, Bute).
A bit tough to start on as your first Jung, try first: Two Essays on Analytical Psychology
Read more to design your own visions, Jung is THE non-opinionated writer on the subject not to force the theory onto the reader but let him/her discover his/her own progress items.