Seth

"You are not a forsaken offshoot of physical matter, nor is your consciousness meant to vanish like a puff of smoke. Instead, you form the physical body that you know at a deeply unconscious level with great discrimination, miraculous clarity, and intimate unconscious knowledge of each minute cell that composes it. This is not meant symbolically."
Session 512, Page 8-9, from Seth Speaks

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"What exists physically exists first in thought and feeling. There is no other rule. You have the conscious mind for good reason. You are not at the mercy of unconscious drives unless you consciously acquiesce to them. Your present feelings and expectations can always be used to check your progress. If you do not like your experience, then you must change the nature of your conscious thoughts and expectations. You must alter the kind of messages that you are sending through your thoughts to your own body, to friends and associates."
Session 609, Page xvii, from The Nature of Personal Reality.

These are quotes from Seth, the nonphysical personality channeled via Jane Roberts (pictured above as a miniature sculpture, found here... crazy). But for some real info check here.