The Ontological Proof of the Orb

Excerpt from Peter Sloterdijk, Chapter 4 of Globes (Spheres II), dealing with Aristotle’s On the Heavens

The Blue Book

Wittgenstein, on personal experience as aetherial

Aether (I-III)

first 3 in the series of Aether paintings, by Michael Johnson, 2017

On the Heavens

Aristotle, excerpts from On the Heavens, Book I