The psyche
The human being is not a unity. There are distinct aspects to our being. Body, psyche and our social interaction are three different but closely intertwined realms, studied respectively in medicine, psychology and sociology. It is the realm of the psyche that foremost interests us in astrology.
Our psyche does not start out as a blank slate - we carry the DNA of countless generations back within us, our embryonal experiences, the trauma of birth and, when we took our first breath, the cosmic signature that stood as our witness. We carry this imprint and structure in our psyche, affecting both the conscious and the unconscious.
It is important to be aware that our mind is an autopoetic system, that it creates itself along myriads of internal structures and is immune to direct outside influences. It is a closed system. The outside world is experienced only through interpretation - as the internal structures process outside information. Each person constructs their very own reality. We only see what we see, and cannot see what we do not see.