For a schizophrenic, any method by which a synchronicity can be coped with means possible survival; for us, it would be a great assist in the job of temporarily surviving . . . we both could use such a beat-the-house system.
This is what the I Ching, for the three thousand years, has been and still is. It works (roughtly 80 percent of the time, according to those such as Pauli who have analyzed it on a statistical basis). John Cage, the composer, uses it to derive chord progressions. Several physicists use it to plot the behavior of subatomic particles - thus getting around Heisenberg's unfortunate principle. I've used it to develop the direction of a novel (please reserve your comments for Yandro, if you will). Jung used it with patients to get around their psychological blind spots. Leibnitz based his binary . . . . . .read more here
from Schizophrenia & the Book of Changes, an essay by Philip K. Dick, 1965