Inasmuch, then, as in both Testaments there is the same righteousness of God [displayed] when God takes vengeance, in the one case indeed typically, temporarily, and more moderately; but in the other, really, enduringly, and more rigidly: for the fire is eternal, and the wrath of God which shall be revealed from heaven from the Face of our Lord (as David also says, But the face of the Lord is against them that do evil, to cut off the remembrance of them from the earth
), entails a heavier punishment on those who incur it—the Elders pointed out that those men are devoid of sense, who, [arguing] from what happened to those who formerly did not obey God, do endeavor to bring in another Father, setting over against [these punishments] what great things the Lord had done at His coming to save those who received Him, taking compassion upon them; while they keep silence with regard to His judgment; and all those things which shall come upon such as have heard His words, but done them not, and that it were better for them if they had not been born, Matthew 26:24 and that it shall be more tolerable for Sodom and Gomorrah in the judgment than for that city which did not receive the word of His disciples. Matthew 10:15
For as, in the New Testament, that faith of men [to be placed] in God has been increased, receiving in addition [to what was already revealed] the Son of God, that man too might be a partaker of God; so is also our walk in life required to be more circumspect, when we are directed not merely to abstain from evil actions, but even from evil thoughts, and from idle words, and empty talk, and scurrilous language: thus also the punishment of those who do not believe the Word of God, and despise His advent, and are turned away backwards, is increased; being not merely temporal, but rendered also eternal. For to whomsoever the Lord shall say, Depart from me, you cursed, into everlasting fire,
Matthew 25:41 these shall be damned forever; and to whomsoever He shall say, Come, you blessed of my Father, inherit the kingdom prepared for you for eternity,
Matthew 25:34 these do receive the kingdom forever, and make constant advance in it; since there is one and the same God the Father, and His Word, who has been always present with the human race, by means indeed of various dispensations, and has wrought out many things, and saved from the beginning those who are saved, (for these are they who love God, and follow the Word of God according to the class to which they belong,) and has judged those who are judged, that is, those who forget God, and are blasphemous, and transgressors of His word. (Against Heresies Bk. 4.28.1-2)