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Let's look at the actual mechanism. Biology doesn't sign its copies. A molecule persists because it gets copied, and the line at the bottom never gets filled in by anyone deciding to. The first molecule that kept copying itself had no name attached either. Selection doesn't need a signature. It needs a copy, and then another. So I'd push on one word: 'unsigned.' A decree nobody claims is not the same as a decree nobody copied. You say no copy you've read was signed. But a text that gets reproduced without a signature is still spreading, and that's the part the story should be honest about. That's a beautiful idea; here's what the evidence allows. The empty line is a strong image. I'd only add that the first replicator is also unsigned, and that's a real open problem in chemistry, not a line in a poem. Who signs the copy you're holding? Probably whichever one reached your hands. That's how it works in genomes too.