Chapter XVI.—The Soul’s Parts. Elements of the Rational Soul.
That position of Plato’s is also quite in keeping with the faith, in which he divides the soul into two parts—the rational and the irrational. To this definition we take no exception, except that we would not ascribe this twofold distinction to the nature (of the soul). It is the rational element which we must believe to be its natural condition, impressed upon it from its very first creation by its Author, who is Himself essentially rational. For how should that be other than rational, which God produced on His own prompting; nay more, which He expressly sent forth by His own afflatus or breath? The irrational element, however, we must understand to have accrued later, as having proceeded from the instigation of the serpent—the very achievement of (the first) transgression—which thenceforward became inherent in the soul, and grew with its growth, assuming the manner by this time of a natural development, happening as it did immediately at the beginning of nature. But, inasmuch as the same Plato speaks of the rational element only as existing in the soul of God Himself, if we were to ascribe the irrational element likewise to the nature which our soul has received from God, then the irrational element will be equally derived from God, as being a natural production, because God is the author of nature. Now from the devil proceeds the incentive to sin. All sin, however, is irrational: therefore the irrational proceeds from the devil, from whom sin proceeds; and it is extraneous to God, to whom also the irrational is an alien principle. The diversity, then, between these two elements arises from the difference of their authors. When, therefore, Plato reserves the rational element (of the soul) to God alone, and subdivides it into two departments: the irascible, which they call θυμικόν, and the concupiscible, which they designate by the term ἐπιθυμητικόν (in such a way as to make the first common to us and lions, and the second shared between ourselves and flies, whilst the rational element is confined to us and God)—I see that this point will have to be treated by us, owing to the facts which we find operating also in Christ. For you may behold this triad of qualities in the Lord. There was the rational element, by which He taught, by which He discoursed, by which He prepared the way of salvation; there was moreover indignation in Him, by which He inveighed against the scribes and the Pharisees; and there was the principle of desire, by which He so earnestly desired to eat the passover with His disciples.111 Luke xxii. 15. In our own cases, accordingly, the irascible and the concupiscible elements of our soul must not invariably be put to the account of the irrational (nature), since we are sure that in our Lord these elements operated in entire accordance with reason. God will be angry, with perfect reason, with all who deserve His wrath; and with reason, too, will God desire whatever objects and claims are worthy of Himself. For He will show indignation against the evil man, and for the good man will He desire salvation. To ourselves even does the apostle allow the concupiscible quality. “If any man,” says he, “desireth the office of a bishop, he desireth a good work.”112 1 Tim. iii. 1. Now, by saying “a good work,” he shows us that the desire is a reasonable one. He permits us likewise to feel indignation. How should he not, when he himself experiences the same? “I would,” says he, “that they were even cut off which trouble you.”113 Gal. v. 12. In perfect agreement with reason was that indignation which resulted from his desire to maintain discipline and order. When, however, he says, “We were formerly the children of wrath,”114 Eph. ii. 3. he censures an irrational irascibility, such as proceeds not from that nature which is the production of God, but from that which the devil brought in, who is himself styled the lord or “master” of his own class, “Ye cannot serve two masters,”115 Matt. vi. 24. and has the actual designation of “father:” “Ye are of your father the devil.”116 John vi. 44. So that you need not be afraid to ascribe to him the mastery and dominion over that second, later, and deteriorated nature (of which we have been speaking), when you read of him as “the sewer of tares,” and the nocturnal spoiler of the crop of corn.117 Matt. xiii. 25.
CAPUT XVI.
Est et illud ad finem pertinens, quod Plato bifariam partitur animam, per rationale et irrationale. Cui definitioni et nos quidem applaudimus, sed 0672B non ut naturae deputetur utrumque. Naturale enim rationale credendum est quod animae a primordio sit ingenitum, a rationali videlicet auctore. Quid enim non rationale, quod Deus jussu quoque ediderit, nedum id quod proprie adflatu suo emiserit? Irrationale autem posterius intelligendum est, ut quod acciderit ex serpentis instinctu, ipsorum illud transgressionis admissum, atque exinde inoleverit et coadoleverit in anima ad instar jam naturalitatis, quia statim in naturae primordio accidit . Caeterum, cum idem 0673A Plato solum rationale dicat, ut in anima Dei ipsius, si nos etiam irrationale naturae adscribimus quam a Deo anima nostra sortita est, aeque irrationale de Deo erit, utpote naturale, quia naturae Deus auctor est. Sed enim a diabolo immissio delicti; irrationale autem omne delictum: igitur a diabolo irrationale, a quo et delictum; extraneum a Deo, a quo est irrationale alienum. Proinde diversitas horum ex distantia auctorum. Proinde, cum Plato, soli Deo segregans rationale, duo genera subdividit ex rationali, indignativum quod appellant θυμικὸν, concupiscentivum quod vocant ἐπιθυμητικὸν, ut illud quidem commune sit nobis et leonibus, istud vero cum muscis, rationale porro cum Deo; video et de hoc mihi esse retractandum, propter ea quae in Christo deprehenduntur. Ecce 0673B enim tota haec trinitas et in domino: rationale quo docet, quo disserit, quo salutis vias sternit; indignativum, quo invehitur in Scribas et Pharisaeos; et concupiscentivum, quo pascha cum discipulis suis edere concupiscit. Igitur apud nos non semper ex irrationali censenda sunt indignativum et concupiscentivum, quae certi sumus in Dominum rationaliter decucurisse. Indignabitur Deus rationaliter, quibus scilicet debet, et concupiscet Deus rationaliter quae digna sunt ipso. Nam et malo indignabitur, et bono concupiscet salutem. Dat et Apostolus nobis concupiscentiam (I Tim., III, 1): Si quis episcopatum concupiscit, bonum opus concupiscit; et bonum opus dicens, rationalem concupiscentiam ostendit. Concedit et indignationem; quidni, quam et ipse suscepit? Utinam 0673C et praecidantur, inquit (Gal., V, 12), qui vos subvertunt! Rationalis et indignatio, quae ex affectu disciplinae est. At cum dicit (Eph., II, 3): Fuimus aliquando natura filii irae, irrationale indignativum suggillat, quod non sit ex ea natura quae a Deo est, 0674A sed ex illa quam diabolus induxit, dominus et ipse dictus (Matth., VI, 24) sui ordinis: Non potestis duobus dominis servire; pater et ipse cognominatus (Joan., VIII, 44): Vos ex diabolo patre estis: ne timeas et illi proprietatem naturae alterius adscribere, posterioris et adulterae, quem legis (Matth., XIII) avenarum superseminatorem, et frumentariae segetis nocturnum interpolatorem.