A new model of the universe (by P.D. Ouspensky)- Chapter one

When you make known that you are interested, I will send the location in Leiden to you as a message. This will create the confinement and safety. If you would like, you can bring a little notebook and pen, it can be useful for anagrams and digging into words and diagrams etc.
We will read into this great book and see what it causes in our groep attempt.