A beautiful piece written stating contradictory statements with perfect alignment.
Finish what you start and quit are both options everything being has always.
Been informed and wise enough to be able to make a decision is tricky and requires expertise. Every situation every individual is going to be unique and tailor made for that person.
On a Holistic level it is possible to help take a decision based on whether it helps him to be in alignment with reality as it is. Bridging the gap between the perceived reality and the existing reality can help anyone take and informed decision and decide whether to continue or to quit.