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 McKennaAs the bonfires of knowledge grow brighter, the more the darkness is revealed to our startled eyes.
Terence McKennaScience is the exploration of the experience of nature without psychedelics. And I propose, therefore, to expand that enterprise and say that we need a science beyond science. We need a science which plays with a full deck.
Terence McKennaWhat I'm talking about is actually is the Mystery of Being as existential fact. That there is something that haunts this world that can take apart and reduce every single one of us to a mixture of terror and ecstasy, fear and trembling. It is not an idea, that's the primary thing to bear in mind. It's an experience.
Terence McKenna