Amanda Geftner..

“If reality isn’t, at bottom, mathematics, what is it? ‘Maybe someday we’ll encounter an alien civilization and we’ll show them what we have discovered about the universe,’ Greene says, ‘they’ll say, ‘Ah Math. We tried that. It only takes you so far. Here’s the real thing.’ What would that be? It’s hard to imagine. Our understanding of fundamental reality is at an early stage.”

Amanda Geftner quoting Brian Greene a Physicist at Columbia University NewYork