The point of a journey is not to arrive. You are born, then inevitably you die. What you do in between these two events is solely yours to choose. Here then gone. That's it, the only thing that life has in common is death.
Life is a process.
Birth to Death. All processes have an intrinsic purpose. A process would not be a process without a purpose. Thus, life must have a purpose. Well, the point of a journey is not to arrive.