I did indeed tilt my head to one side like a confused dog when I read that - this helped: https://en.m.wikipedia.org/wiki/Meta-circular_evaluator https://en.m.w

I did indeed tilt my head to one side like a confused dog when I read that - this helped: https://en.m.wikipedia.org/wiki/Meta-circular_evaluator https://en.m.wikipedia.org/wiki/Meta-circular_evaluator