In the absence of good scientific data about the effects of artificial hallucinogens it's good to stick to the natural ones.

You are an explorer, and you represent our species, and the greatest good you can do is to bring back a new idea, because our world is endangered by the absence of good ideas. Our world is in crisis because of the absence of consciousness.

What people notice about [when they are on] LSD is either what's right or wrong with themselves or how freaky the world is.

And what is the primary datum? It's the felt presence of immediate experience. In other words, being here now is the primary datum.

Inevitably out of the psychedelic experience emerges not despair, not self-indulgence, but wild-eyed idealism, that's the inevitable product of any psychedelically driven social process.

It's the only hallucinogen I know, where if it's made right, the next day, or the day after the experience, you actually feel better than if you hadn't done it.

This rising global humanism is, in fact, the rising into consciousness of a tribal god similar to the kind of tribal god that functioned in these pre-Hellenic societies.