The importance of knowing your ‘why’ is essential to our life here on earth.
Viktor Frankl in "Man's Search for Meaning" wrote:
"Whenever there was an opportunity for it, one had to give them a 'why' - an aim - for their lives in order to strengthen them to bear the terrible 'how' of their existence. Woe to him who saw no more sense in his life, no aim, no purpose, and therefore no point in carrying on. He was soon lost."
The main reason Frankl survived the concentration camp during the Nazi imprisonment, was because he looked beyond the present circumstances and held onto HOPE. The resolve and resilience to endure the beatings, the starvation, the mind control and manipulation, dehumanization, etc. came out of a belief that the present tragedy could not destroy his future and his destiny.