When you study natural science and the miracles of creation, if you don't turn into a mystic you are not a natural scientist.

LSD is just a tool to turn us into what we are supposed to be.

I think that in human evolution it has never been as necessary to have this substance LSD. It is just a tool to turn us into what we are supposed to be.

It's very, very dangerous to lose contact with living nature.

I go back to where I came from, to where I was before I was born, that’s all.

In a dreamlike state, with eyes closed (I found the daylight too unpleasantly glaring), I perceived an uninterrupted stream of fantastic pictures, extraordinary shapes with intense, kaleidoscopic play of colors.

LSD is really just a small chemical modification of a very old sacred drug of Mexico. LSD belongs, therefore, by its chemical structure and by its activity, in the group of the magic plants of Mesoamerica. It does not occur in nature as such, but it represents just a small chemical variation of natural material.