The thing that is missing in Asimov's claim is that is no scale to understand just how relatively wrong we are at any point, so we can only feel smug about how

The thing that is missing in Asimov's claim is that is no scale to understand just how relatively wrong we are at any point, so we can only feel smug about how relatively wrong previous understandings are but to someone from a far more advanced civilization our most modern theories might seem like flat earth seems to us