lol the pencil argument at 1h 10m. Fond memories of being a phil major who thought he wanted to do this shit for a living :)

https://verybadwizards.fireside.fm/154

In the famous words of the idealist philosopher George Berkeley, “To exist is to be perceived.” Our ideas and perceptions are the fundamental objects in the universe; there is no real world beyond them. Hume wrote (I think) that Berkeley’s arguments don’t admit of the slightest refutation, and they don’t inspire the slightest conviction...