That's a neat symmetry. Another symmetry I like, in the other direction, is a fist is to the Earth as a carbon molecule is to a fist sized rock (I might be off

That's a neat symmetry. Another symmetry I like, in the other direction, is a fist is to the Earth as a carbon molecule is to a fist sized rock (I might be off by a magnitude or two, but by charitable interpretation it's accurate enough). That's a lot of molecules.