Tuesday, December 16, 2025

Condemnation of Polygenism by Pope Pius XII in "Humani Generis" (August 12, 1950)

  

37. When, however, there is question of another conjectural opinion, namely polygenism, the children of the Church by no means enjoy such liberty. For the faithful cannot embrace that opinion which maintains either that after Adam there existed on this earth true men who did not take their origin through natural generation from him as from the first parent of all or that Adam represents a certain number of first parents. Now it is in no way apparent how such an opinion can be reconciled with that which the sources of revealed truth and the documents of the Teaching Authority of the Church propose with regard to original sin, which proceeds from a sin actually committed by an individual Adam and which through generation is passed on to all and is in everyone as his own (Pius XII, “Humani Generis,” August 12, 1950, in The Papal Encyclicals, ed. Claudia Carlen, 5 vols. [Ypsilanti, Mich.: The Pierian Press, 1990], 4:181-82)

 

Alongside Rom 5:12, Pius XII references canons 1-4 of Session 5 of the Council of Trent from June 1546. These canons read thusly:

 

1. If any one does not confess that the first man, Adam, when he had transgressed the commandment of God in Paradise, immediately lost the holiness and justice in which he had been constituted; and that he incurred, through the offence of such prevarication, the wrath and indignation of God, and consequently death, which God had previously threatened to him, and, together with death, captivity under the power of him who thenceforth had the empire of death, that is to say, the devil,y and that the entire Adam, through that offence of prevarication, was changed as respects the body and soul, for the worse; let him be anathema.

 

2. If any one asserts, that the prevarication of Adam injured himself alone, and not his posterity; and that he lost for himself alone, and not for us also, the holiness and justice, received of God, which he lost; or that he, defiled by the sin of disobedience, has only transfused death, and pains of the body, into the whole human race, but not sin also, which is the death of the soul, let him be anathema; inasmuch as he contradicts the apostle, who says: By one man sin entered into the world, and by sin death, and so death passed upon all men, in whom all have sinned.

 

3. If any one asserts that this sin of Adam, which in its origin is one, and being transfused into all by propagation, not by imitation, is in each one as his own, is taken away either by the powers of human nature, or by any other remedy than the merit of the one mediator, our Lord Jesus Christ, who hath reconciled us to God in his own blood, made unto us righteousness, sanctification, and redemption; or, if he denies that the same merit of Jesus Christ is applied, both to adults and to infants, by the sacrament of baptism rightly administered in the form of the Church; let him be anathema: For there is no other name under heaven given to men, whereby we must be saved. Whence that voice: Behold the Lamb of God, behold him who taketh away the sins of the world; and that other,—As many of you as have been baptized have put on Christ.

 

4. If any one denies that infants, newly born from their mothers’ wombs, even though they be sprung from baptized parents, are to be baptized; or says that they are baptized indeed for the remission of sins, but that they draw nought of original sin from Adam, which has need to be expiated by the laver of regeneration, for the obtaining life everlasting,—whence it follows, as a consequence, that in them the form of baptism, for the remission of sins, is understood to be not true, but false,—let him be anathema. For that which the apostle has said, By one man sin entered into the world, and by sin death, and so death passed upon all men in whom all have sinned, is not to be understood otherwise than as the Catholic Church spread everywhere hath always understood it. For, by reason of this rule of faith, from a tradition of the apostles, even infants, who could not as yet in themselves commit any sin, are for this cause truly baptized for the remission of sins, that in them that which they have contracted by generation, may be cleansed away by regeneration. For, unless a man be born again of water and the Holy Ghost, he cannot enter into the kingdom of God. (Theodore Alois Buckley, The Canons and Decrees of the Council of Trent [London: George Routledge and Co., 1851], 21-23)

 

As one of the more honest Roman Catholics on the topic of their Church and science put it:

 

. . . the Bible explains why the latest scientific studies of the human genome reveal we are all the product of a single pair of humans (Gn 1:25-26), which is against the theory of polygenism that evolution needs. The Bible explains how death originated (Rm 5:11-12). (Robert A. Sungenis, Scientific Heresies and Their Effect on the Church: A Critique of “The Realist Guide to Religion and Science” [State Line, Pa.: Catholic Apologetics International Publishing, Inc., 2018], 243)

 




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