"The experiments made on the mutual electrical relations of bodies have taught us that they can be divided into two classes: electropositive and electronegative. The simple bodies which belong to the first class, as well as their oxides, always take up positive electricity when they meet simple bodies or oxides belonging to the second class; and the oxides of the first class always behave with the oxides of the other like salifiable bases with acids."

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Students of the psychedelic realm know that one's expectations are a powerful determinant of the direction, content, and outcome of the experience. So, we should say at the outset that the experiences recounted here were preceded by careful preparation, where the trip was presented as a learning experience and a process of self-discovery. They all took place in safe, supportive environments. They generally did not fit the stereotypical model of teenagers dropping acid at a rock concert, looking for awesome visuals and good vibes.

— Rick Doblin