I think this is an open question? The farther we are from the answer, the better.
We are longing for that finish line. The line where we can take a deep breath and relieved.
I think the quest for that answer is not our purpose as human being. Our purpose is to keep going to the unlimited. Look at our universe, it keeps growing bigger and bigger. If you dont believe that, check some latest astronomical article that say universe is getting bigger and bigger in an unbelievable accelaration.
Atheist says that human being is just the effect of "the big bang". Religious says that human being is a God creation with certain purposes written in holy books.
When you feel thay you are really close to the answer, that is a moment when you're thrown away from the answer.
Maybe it's a paradox. But,...