One of the things that's so striking about shamanism in the native context is the absence of mental illness.
Terence McKennaDon't worry. You don't know enough to worry. . . . Who do you think you are that you should worry, for cryin' out loud. It's a total waste of time. It presupposes such a knowledge of the situation that it is, in fact, a form of hubris.
Terence McKenna