Patanjali specifically says that there are three paths to the goal of yoga. And they are, control of the breath, control of posture, and light-filled herbs. It says it right there. Stanza 6 of the Yoga Sutras of Patanjali.
Terence McKennaWhen we free ourselves we are not freed into a void. When we free ourselves we are freed into a dimension in which Art is an obligation.
Terence McKennaShamanism is about shape shifting. Shamanism is about doing phenomenology with a tool kit that works.
Terence McKennaThe world is not an unsolved problem for scientists or sociologists. The world is a living mystery.
Terence McKenna