It's not all in your head, it's all in my head, none of you exist. Only I exist according to Rene Descartes. I think, therefore I am.
I was pretty close to studying astronomy at one time, I had a choice back then and now I deeply regret it. I even went to Switzerland just to visit the CERN and the LHC.
Unfortunately, I went in November and it was running at the time. And at the risk of getting myself killed, they didn't let me or other tourists in to see the real thing. Instead we were given other tours and shown a smaller collider from the 80's.
What if the barber sets his beard alight, or removes it in other ways? It's technically not shaving.
Is there a solution for this?