I'm proposing on one level that hallucinogens be thought of as almost as social pheromones that regulate the rate at which language develops, and therefore regulate human culture generally.
Terence McKennaPsychedelic experiences are beyond the reach of cultural manipulation, and discovering this and exploring it is somehow the frontier of maturity. Culture is a form of enforced infantilism. It's the last nursery, and most people never leave it.
Terence McKennaThe word 'self' is as great a mystery as the word 'other'. It's just a polarity between two mysteries.
Terence McKennaAyahuasca is driven by sound, by song, by whistling. And its ability to transform sound, including vocal sound, into the visual spectrum indicates that some kind of information processing membrane or boundary is being overcome by the pharmacology of this stuff. And things normally experienced as acoustically experienced becomes visibly beheld, and it's quite spectacular.
Terence McKenna