I recently argued that my creation, the church of Spongebob, could gain credibility if someone could find any evidence for its protagonist, the most famous citizen of Bikini Bottom, Spongebob Squarepants, to actually exist. The claim is, to remind us, our lives are just like the lives of Spongebob and his buddies at the bottom of the ocean. That comparison would seem a lot stronger if we could think, we could or could have actually gone out and swapped stories with Spongebob himself.
Come to find out, I don't have to make it up. He's been around.
Socrates said our lives were like those of his prisoners in the Cave. There's the parable about us being farmers and the absent landlord. Some say we could be dreaming, now. Others say it's hard to know we are not brains in vats.
They're all about the same.
I'm saying, the real question is why we should be thinking our lives are anything like Spongebob's, et al.