2 Timothy 2:17 - Calvin's Commentary on the Bible

17 And their word will eat as a gangrene I have been told by Benedict Textor, a physician, that this passage is badly translated by Erasmus, who, out of two diseases quite different from each other, has made but one disease; for, instead of “gangrene,” he has used the word “cancer.” Now Galen, in many passages throughout his writings, and especially where he lays down definitions in his small work “On unnatural swellings,” distinguishes the one from the other. Paul Aegineta, too, on the authority of Galen, thus in his sixth book defines a “cancer;” that it is “an unequal swelling, with inflated extremities, loathsome to the sight, of a leaden color, and unaccompanied by pain.” Next, he enumerates two kinds, as other physicians do; for he says that some “cancers” are concealed and have no ulcer; while others, in which there is a preponderance of the black bile from which they originate, are ulcerous.

Of the “gangrene,” on the other hand, Galen, both in the small work already quoted, and in his second book to Glauco, Aetius in his fourteenth book, and the same Ægineta in his fourth book, speak to the following effect; that it proceeds from great phlegmons or inflammations, if they fall violently on any member, so that the part which is destitute of heat and vital energy tends to destruction. If that part be quite dead, the Greek writers call the disease σφάκελος the Latins sideratio , and the common people call it St. Anthony’s fire.

I find, indeed, that Cornelius Celsius draws the distinction in this manner, that “cancer “is the genus, and “gangrene” the species; but his mistake is plainly refuted from numerous passages in the works of physicians of high authority. It is possible, also, that he was led astray by the similarity between the Latin words “ cancer “ and “ gangræna.” But in the Greek words there can be no mistake of that kind; for κάρκινος is the name which corresponds to the Latin word “ cancer,” and denotes both the animal which we call a crab, and the disease; while grammarians think that γάγγραινα is derived ἀπο τοῦ γραίνειν which means “to eat.” We must therefore abide by the word “gangrene,” which Paul uses, and which best agrees with what he says as to “eating” or “consuming.”

We have now explained the etymology; but all physicians pronounce the nature of the disease to be such, that, if it be not very speedily counteracted, it spreads to the adjoining parts, and penetrates even to the bones, and does not cease to consume, till it has killed the man. Since, therefore, “gangrene” is immediately followed by ( νέκρωσις) mortification, which rapidly infects the rest of the members till it end in the universal destruction of the body; to this mortal contagion Paul elegantly compares false doctrines; for, if you once give entrance to them, they spread till they have completed the destruction of the Church. The contagion being so destructive, we must meet it early, and not wait till it has gathered strength by progress; for there will then be no time for rendering assistance. The dreadful extinction of the gospel among the Papists arose from this cause, that, through the ignorance or slothfulness of the pastors, corruptions prevailed long and without control, in consequence of which the purity of doctrine was gradually destroyed.