> “We will never know” sounds overly pessimistic to me; I could imagine someone from the 10th century claiming we will never know the trillionth prime number.

> “We will never know” sounds overly pessimistic to me; I could imagine someone from the 10th century claiming we will never know the trillionth prime number. There are tons of stuff we as human beings we'll discover and be pretty confident about it. There are other things we'll never know. I think that's part of being human, to know our limits.