My old metaphysics teacher expounded every day on this subject, “No Man, No World”.
My old Zen teacher expounded every day on this subject, “Mind/No-Mind, World/No-World”.
We ordinarily assume there is a great and unbreachable border between the Self and the Universe. If there is such a border, who put it there? What part of me is not connected to the greater whole? What part of the whole universe is not connected to me?
To the man, the angel, the mouse and the cockroach, the entirety of the universe presents itself through Mind. There is no Other. We are all God.
The Book of Faustus 