The paragraph of text can be found by inserting 100 numulites into one of the stone chests inside the House on the Hill on Fossil Island. There is a chance nothing will happen or a spike shooting out and stabbing the player for 9 damage, wasting the numulites.
This note can be added into the Fossil island note book.
Despite several attempts, I have failed to find a way to encourage the spore to inhabit my own body. Ingestion, airborne saturation, each leads to involuntary, forceful expulsion and hallucinogenic stupor. Permanent damage will likely follow if I continue to experiment.