Psychedelic experiences and dreams are chemical cousins; they are only different in degree.
Terence McKennaWhere psychedelics comes together with that is that it's going to require a transformation of human language and understanding to stop the momentum of the historical process, to halt nuclear proliferation, germ warfare, infantile 19th century politics, all these things. It cannot be accomplished through a frontal assault upon it by political means.
Terence McKennaOne of the things that's so striking about shamanism in the native context is the absence of mental illness.
Terence McKenna