There is one mind common to all individual men. Every man is an inlet to the same and to all of the same. He that is once admitted to the right of reason is made a freeman of the whole estate. What Plato has thought, he may think; what a saint has felt, he may feel; what at any time has befallen any man, he can understand. Who hath access to this universal mind is a party to all that is or can be done, for this is the only and sovereign agent.

-Ralph Waldo Emerson, Essays: First Series1

When developmental psychologist Joseph Chilton Pearce was in his early thirties, teaching humanities in a college, he was engrossed in theology and the psychology of Carl Jung. Pearce describes himself as ‘obsessed