When the blessed Dionysius Dionys., Epist. 4, ad Caium. says that Christ exhibited to us some sort of novel theandric energy See Severus, Ep. 3, ad Joann. Hegum.; Anastas., Sinait. Hodegus, p. 240., he does not do away with the natural energies by saying that one energy resulted from the union of the divine with the human energy: for in the same way we could speak of one new nature resulting from the union of the divine with the human nature. For, according to the holy Fathers, things that have one energy have also one essence. But he wished to indicate the novel and ineffable manner in which the natural energies of Christ manifest themselves, a manner befitting the ineffable manner in which the natures of Christ mutually permeate one another, and further how strange and wonderful and, in the nature of things, unknown was His life as man Max., Dial. cum Pyrrh., and lastly the manner of the mutual interchange arising from the ineffable union. For we hold that the energies are not divided and that the natures do not energise separately, but that each conjointly in complete community with the other energises with its own proper energy Leo, Epist. 1 ad Flav.. For the human part did not energise merely in a human manner, for He was not mere man; nor did the divine part energise only after the manner of God, for He was not simply God, but He was at once God and man. For just as in the case of natures we recognise both their union and their natural difference, so is it also with the natural wills and energies.