We have no clue, everything we know could be false, everyone we know could be fake but then again all that could be true. We are a simple speck on the universe's butt, we could never know things like what created us and where do we go. We live and we die, both us individuals and humanity as a whole, previous species have, why won't we? Us a warmongering race bent on destruction of our enemies will surely die unless something happens. So when will we? How will we? We couldn't possibly know. [spoiler]TL;DR we don't know and we're f[b]u[/b]cked[/spoiler]