Our part for what?
Well that's the question of the thread, isn't it? What else determines it?
I don't see how that's relevant.
Like actors in a play that already have a role to fulfill.
Yes, was a comment about being humble. Being humble still doesn't stop people from expressing gratitude. Was meant to be.
I think it is relevant. Your comments were leaning towards something like not really having a reason to do anything or act a certain way. To me the fact that we do more than rocks is a good thing even if it turns out it was determined all along.