Oh Shreck – there’s a book by that title: Middos, the Measure of Man.
Talmud: And maybe you’re a speck on the back of a giant turtle. I think there’s a book like that. (shoutout to OOM 🙂 )
More seriously, your brain adjusts to process information relative to other information. So if everything was bigger, your brain would eventually learn to make it smaller, and you wouldn’t see it as bigger any more.