well if he's interested may i suggest two books that will introduce you to the history and culture of these drugs.

The Doors of Perception by Aldous Huxley (this is what the The Doors named themselves after) is about discovering mescaline when it was legal and given to test patients in clinics. Huxley used it heavily himself and wrote theory that will completely blow your mind.
and...
The Electric Cool Aid Acid Test by Tom Woolfe follows the story of an award winning writer's journeys into the realm of LSD, also when it was still legal. This is where the hippy movement STARTED, no joke, these guys where the ORIGINALS!!!! (see also Timothy Leary

these drugs are defintely spiritual, but not like church (bull shit) spiritual, I mean like throwing your mind out into the ether spiritual. The only way to really understand is to do them.
chronic boom Reviewed by chronic boom on . Explaining Drugs to a Non-user Ok I need a little help. Me and a friend are always argueing about drugs, mainly hallucinogens. I talk about how much knowledge/wisdom/sprituality you can gain from them, but he doesn't really understand cause he's never used them. I'm trying to figure out how to explain how they can actually benefit you in these ways but i can't come up with the words. His argueing point is "Hey if you're hallucinating, how do you know you're actually gaining knowledge, isn't your mind just making it all up Rating: 5