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 McKennaWhat I've observed, and I think it's fair to give credit to the psychedelic experience for this, what I've observed is that nature builds on previously established levels of complexity.
Terence McKennaWe are like coral animals in a vast reef of excreted technological material that is wired for solid state data transfer.
Terence McKenna