He literally says: "What I suggest is that these are not subjective, but rather objective experiences. It’s also a little terrifying. What if 1,000 years from

He literally says: "What I suggest is that these are not subjective, but rather objective experiences. It’s also a little terrifying. What if 1,000 years from now, a life span felt like it was only a few days?" He's talking about the objectivity of perception.