It seems natural enough to say it: we live in the physical world. Here’s all of us, we’re walking around in this physical world here, right?

But, you see, that is a conventional point of view, that is a convention of our existence, to think in those terms, to presume in those terms.

We say things like: there is the external world, and I am me, you are you, there is the universe. we say things like these. All we need to do, is really consider, really observe our condition, fundamentally.