stressed the distinctions among the three more than the unity and tended to guard the unity with ideas of the Father as the fountainhead of the Deity and of the mutual indwelling (perichoresis) of the three persons. Meanwhile, the Latin West, most prominently exemplified by Augustine, tended to emphasize the divine unity. With the formulas “of the same substance” and “one in substance, three in persons,” the ancient church fathers were not so much concerned with spelling out the technical meanings