I think there's a shamanic temperament, which is a person who craves knowledge, knowledge in the Greek sense of gnosis. In other words, knowledge not of the sort where you subscribe to Scientific American, and it validates what you believe, but cosmologies constructed out of immediate experiences that are found to be always applicable.
Terence McKennaPatanjali 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 McKennaFor talking monkeys to speak of truth is hubris of the highest degree. Where is it writ large that talking monkeys should be able to model the cosmos? If a sea urchin or a racoon were to propose to you that it had a viable truth about the universe, the absurdity of that assertion would be self-evident, but in our case we make an exception.
Terence McKenna