Sabellianism did it at the cost of his premundane and real personality, and therefore by common consent was out of the question.    From Wordnik.com.  [The Arian Controversy] Reference

Time, as we shall see later, cannot exist without motion and moving things, hence before the world there was no time, and the fourth argument does not apply to premundane existence.    From Wordnik.com.  [A History of Mediaeval Jewish Philosophy] Reference