Ayahuasca 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 McKennaThe momentum now is inevitable. Now it's about each of us individually arranging the furniture of our own mind to deal with what has become inevitable.
Terence McKennaShamanism is essentially a living tradition of alchemy that is not seeking the stone but has found the stone.
Terence McKenna