I can certainly relate to your third point. I was hanging out in Stanley Park on Saturday and was looking at some of the huge ancient trees there. It struck me that no matter how important I think my life is, or what I accomplish in it, I will never outlive that tree. That it, doing effectively nothing in a park, will without a doubt win the lifespan game.
But what really struck me is that that doesn’t change people from trying to do great things, even when they know their life is insignificant in the scheme of things.
Maybe that isn’t your third point but I thought it was cool….