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 McKennaPart of what is wrong with our society, and hence with ourselves, is that we consume images, we don't produce them. We need to produce, not consume, media.
Terence McKennaWe can no longer have forbidden areas of the human mind, or cultural machinery. We have taken upon ourselves the acquisition of so much power that we now must understand what we are. We cannot travel much further with the definitions of man that we inherit from the Judeo-Christian tradition. We need to truly explore the problem of consciousness.
Terence McKenna