A definition and explanation of universal synthesis can be found in Christ's words, "The Father and I are One." In this statement, he proclaimed that the presence of the Universe, both physical and spiritual, was One with his psyche or soul, and he with it.
Yet, the message he most wished to convey to the world was found in his words, "All of you are equal unto me, and even greater things than I you shall do." With these words, Christ elevated all who would listen at that time, and all who would come in the centuries that followed, to a divine possibility.
That divine possibility is that anyone could do as he did; raise themselves to the level of consciousness he had achieved, and perhaps even do greater things in the future.
Jesus lived his life as the Christ, and what made Jesus the Christ was that he lived in a state of universal synthesis with God every day of his life.
The great legacy that was left to subsequent generations to inherit was the realization that universal synthesis was open to all who would truly seek it. "Seek and you shall find," "Knock and it shall be opened unto you," are not vague promises or spiritual abstracts lacking physical resolve. Rather, they are a proclamation of Spirit that is like an ageless echo that has made its way through the centuries; from Jesus' lips to the inner spiritual ears of anyone who would seek to surmise and comprehend the ways of the Spirit.