# G0165 - aion **Strong's:** [G165](https://www.blueletterbible.org/lexicon/g165/) · BLB lookup **Pronunciation:** ahee-ohn' **Part of speech:** masculine noun **NT occurrences:** ~123 **Hebrew equivalent:** [H5769 - olam](/codex/h5769-olam/) (עוֹלָם, "age / eternity / forever") ## Semantic range (Thayer / BDAG) 1. **Age, era, period of time**, a bounded epoch, defined by what fills it ([Matthew 13:39](/codex/matthew-13-39/) *synteleia tou aiōnos*, "consummation of the age"; [Galatians 1:4](/codex/galatians-1-4/) *ho aiōn ho enestōs ponēros*, "the present evil age"). 2. **The world as temporal-experiential whole**, the temporal correlate of *kosmos* (the spatial whole); "this age" / "the age to come" ([Hebrews 6:5](/codex/hebrews-6-5/); [Mark 10:30](/codex/mark-10-30/); [Luke 18:30](/codex/luke-18-30/); [Matthew 12:32](/codex/matthew-12-32/)). 3. **Eternity, an unending duration**, the temporally-unbounded extension, especially in adverbial phrases *eis tous aiōnas* ("forever"), *eis tous aiōnas tōn aiōnōn* ("forever and ever"). 4. **A personified power / world-ruler**, rare in the NT but present in Pauline polemic ([Ephesians 2:2](/codex/ephesians-2-2/) *ton aiōna tou kosmou toutou*, "the *aion* of this world"; [2 Corinthians 4:4](/codex/2-corinthians-4-4/) *ho theos tou aiōnos toutou*, "the god of this age"). ## Theological force, the two-ages framework The most important single use of *aiōn* is its role in the apocalyptic-Jewish **two-ages** schema that the NT inherits and Christianizes: - **ὁ αἰὼν οὗτος** (*ho aiōn houtos*, "this age"), the present world-order, dominated by sin, death, and the principalities; finite, bounded, passing. - **ὁ αἰὼν ὁ ἐρχόμενος / ὁ αἰὼν ὁ μέλλων** ("the age to come / the coming age"), the messianic / eschatological age inaugurated at the resurrection, characterized by life, righteousness, and unmediated communion with God. The Christian distinctive, against second-temple Judaism's purely future-eschatology, is **temporal overlap**: in Christ, the age-to-come has already broken into this age, even while this age continues. Believers are *in* this age but already partake of *the powers of the age to come* ([Hebrews 6:5](/codex/hebrews-6-5/)). Paul names this overlap explicitly: *upon whom the ends of the ages have come* ([1 Corinthians 10:11](/codex/1-corinthians-10-11/), *ta telē tōn aiōnōn katēntēken*). This two-ages structure underwrites huge swaths of NT theology: - **Sanctification** as resisting conformity to *this age* ([Romans 12:2](/codex/romans-12-2/), *mē syschēmatizesthe tōi aiōni toutōi*) - **Riches and worldly anxiety** as features of *this age* that the gospel relativizes ([Mark 4:19](/codex/mark-4-19/), *hē merimna tou aiōnos*; [1 Timothy 6:17](/codex/1-timothy-6-17/), the rich *en tōi nyn aiōni*) - **Wisdom of the world** as the wisdom *of this age* ([1 Corinthians 1:20](/codex/1-corinthians-1-20/); 2:6, 8, *hē sophia tou aiōnos toutou*) - **Demonic powers** as *the rulers of this age* ([1 Corinthians 2:6](/codex/1-corinthians-2-6/), [8](/codex/1-corinthians-2-8/), *tōn archontōn tou aiōnos toutou*) - **Jesus's second coming** as the *consummation of the age* ([Matthew 13:39](/codex/matthew-13-39/), [40](/codex/matthew-13-40/), [49](/codex/matthew-13-49/); 24:3; 28:20, *synteleia tou aiōnos*) ## Aiōn vs. *kosmos*, temporal vs. spatial *Aion* and [G2889 - kosmos](/codex/g2889-kosmos/) (world / order) are paired but distinct: - *Kosmos*, the world as spatial / structural whole; the ordered creation; sometimes the human world in alienation from God - *Aion*, the world as temporal / experiential whole; the era as defined by its dominant character Both can carry pejorative theological loading ("don't love the *kosmos*" in [1 John 2:15](/codex/1-john-2-15/); "don't be conformed to the *aiōn*" in [Romans 12:2](/codex/romans-12-2/)). Paul's most striking pairing is [Ephesians 2:2](/codex/ephesians-2-2/), *kata ton aiōna tou kosmou toutou*, "according to the *aion* of this *kosmos*", the temporal-character of the spatial-order; together they name the totality of the present fallen reality from which salvation rescues. ## *Aiōnios*, the adjectival cognate The adjective [G0166 - aionios](/codex/g0166-aionios/) ("eternal / age-long") is built directly off *aiōn*. It inherits the lexeme's range: - *Eternal life* (*zōē aiōnios*, [John 3:16](/codex/john-3-16/); 17:3), the life *of the age to come*, possessed proleptically already in this age - *Eternal punishment* (*kolasis aiōnios*, [Matthew 25:46](/codex/matthew-25-46/)), punishment of the age-to-come - *Eternal God* ([Romans 16:26](/codex/romans-16-26/), *aiōniou theou*), God whose duration includes all ages The conditional-immortalist / annihilationist debate over the duration of *kolasis aiōnios* ([Matthew 25:46](/codex/matthew-25-46/)) versus *zōē aiōnios* (same verse) hinges partly on the lexeme's range. The more weighty point: the same word is used for both in the same sentence; whatever duration *zōē aiōnios* names is the duration *kolasis aiōnios* names. The eternalist appeals to this parallelism; the conditionalist re-construes both terms as "of-the-age-to-come" without endorsing endless duration. See [Hell and Eternal Punishment](/codex/hell-and-eternal-punishment/) for the full debate. ## Notable verses ### The two ages - **[Matthew 12:32](/codex/matthew-12-32/)**, blasphemy against the Spirit forgiven neither *en toutōi tōi aiōni oute en tōi mellonti*, explicit two-age formula - **[Mark 10:30](/codex/mark-10-30/); [Luke 18:30](/codex/luke-18-30/)**, "in this *kairos*… and in the *aiōn* the coming, eternal life" - **[Ephesians 1:21](/codex/ephesians-1-21/)**, Christ exalted "above every name… not only in this *aiōn* but also in the one to come" - **[Hebrews 6:5](/codex/hebrews-6-5/)**, "*dynameis te mellontos aiōnos*", the powers of the age to come, already tasted ### *This age* as fallen - **[Galatians 1:4](/codex/galatians-1-4/)**, Christ "gave Himself for our sins, that He might rescue us from the *enestōtos aiōnos ponērou*" (the present evil age) - **[Romans 12.2](/codex/romans-12-2/)**, "do not be conformed *tōi aiōni toutōi*" - **[1 Corinthians 1:20](/codex/1-corinthians-1-20/); 2:6-8**, *sophia tou aiōnos toutou*; *archontes tou aiōnos toutou* - **[2 Timothy 4:10](/codex/2-timothy-4-10/)**, Demas "having loved *ton nyn aiōna*" deserted Paul ### Personified hostile power - **[2 Corinthians 4:4](/codex/2-corinthians-4-4/)**, *ho theos tou aiōnos toutou* (the god of this age), Satan as *aion*-ruler - **[Ephesians 2:2](/codex/ephesians-2-2/)**, *ton archonta tēs exousias tou aeros, tou pneumatos…* "the prince of the power of the air, of the spirit *now* working in the sons of disobedience" ### Eternity / endlessness - **[John 6:51](/codex/john-6-51/)**, *zōēn… eis ton aiōna*, "live forever" - **[John 8:35](/codex/john-8-35/)**, "the slave does not remain *eis ton aiōna*; the son remains *eis ton aiōna*" - **[Romans 9:5](/codex/romans-9-5/)**, *ho ōn epi pantōn theos eulogētos eis tous aiōnas*, Paul's doxology to Christ "blessed forever" - **[Hebrews 13:8](/codex/hebrews-13-8/)**, *Iēsous Christos echthes kai sēmeron ho autos kai eis tous aiōnas*, "Jesus Christ the same yesterday and today and forever" - **[Revelation 1:6](/codex/revelation-1-6/), [18](/codex/revelation-1-18/); 4:9-10; 5:13-14; 7:12; 10:6; 11:15; 15:7; 19:3; 22:5**, the doxological *eis tous aiōnas tōn aiōnōn* of Revelation ### Temporal markers - **[Matthew 13:39](/codex/matthew-13-39/), [40](/codex/matthew-13-40/), [49](/codex/matthew-13-49/); 24:3; 28:20**, *synteleia tou aiōnos* (consummation of the age) - **[Hebrews 1:2](/codex/hebrews-1-2/)**, God spoke through the Son, *di' hou kai epoiēsen tous aiōnas*, "through whom He also made the *aiōnes*" (a remarkable phrase: Christ as agent of the ages themselves) - **[1 Timothy 1:17](/codex/1-timothy-1-17/)**, *tōi de basilei tōn aiōnōn*, "to the King of the ages" ## Patristic / scholarly note The two-ages schema was deeply embedded in Second Temple Jewish apocalyptic (4 [Ezra 7:50](/codex/ezra-7-50/), "the Most High has made not one age but two"; 2 Baruch 14:13; 15:7; Mishnah *Berakhot* 9:5). Geerhardus Vos (*The Pauline Eschatology*, 1930) and Oscar Cullmann (*Christ and Time*, 1946) made the recovery of the two-ages structure central to twentieth-century NT theology. George Eldon Ladd (*A Theology of the New Testament*, 1974) developed the *already / not-yet* formulation that has dominated subsequent evangelical eschatology: in Christ, the age-to-come has *already* begun (in His person and Spirit-indwelling); it has *not yet* fully arrived (the present age continues, suffering and death persist). The patristic confession of God as *aiōnios* ([Romans 16:26](/codex/romans-16-26/)) and the *eis tous aiōnas tōn aiōnōn* doxologies became the structural backbone of Christian liturgy. Augustine (*City of God* 11-12; *Confessions* 11) develops the philosophical-theological claim that God's mode of existence is *not* a long *aion* but *aeternitas*, the simultaneous-whole of duration, and reads the NT *aionios* through this Boethian-Augustinian frame. Modern theologians (Robert Jenson, Wolfhart Pannenberg) have contested this Boethian eternalism, arguing for a more biblical-narrative conception of God's relation to time, but the lexicon-data underdetermines the metaphysical question. In contemporary debates over hell, the *aiōnios kolasis* of [Matthew 25:46](/codex/matthew-25-46/) is the most-contested NT use of the cognate adjective. Conditionalists (John Stott, Edward Fudge, Glenn Peoples) argue *aiōnios* names the *quality* (of-the-age-to-come, qualitatively eschatological) rather than the *quantity* (endless duration), and that the lexeme's range supports finite-but-decisive punishment ending in destruction. Eternalists (D. A. Carson, J. I. Packer) press the parallelism with *zōē aiōnios* in the same verse: whatever the lexeme names there, it names here. See [Hell and Eternal Punishment](/codex/hell-and-eternal-punishment/) for the dispute mapped. ## Verses in this codex _See Obsidian's backlinks pane for every verse page linking here._ Top-cited references using *aiōn*: [Galatians 1:4](/codex/galatians-1-4/) (when present), [Romans 12.2](/codex/romans-12-2/) (when present), [Mark 10:30](/codex/mark-10-30/) (when present), [Matthew 12:32](/codex/matthew-12-32/) (when present). ## See also - [G0166 - aionios](/codex/g0166-aionios/), *aiōnios*, the adjectival cognate - [G2540 - kairos](/codex/g2540-kairos/), *kairos* (appointed time), temporal-quality cousin - [G2889 - kosmos](/codex/g2889-kosmos/), *kosmos* (world / order), spatial cousin - [H5769 - olam](/codex/h5769-olam/), Hebrew "age / eternity", what *aiōn* renders in LXX - Two Ages, the apocalyptic eschatological frame - [Hell and Eternal Punishment](/codex/hell-and-eternal-punishment/), debate over *aiōnios kolasis* - Already and Not Yet, Vos / Ladd / Cullmann inaugurated-eschatology - [Galatians 1:4](/codex/galatians-1-4/), [Matthew 12:32](/codex/matthew-12-32/), [Hebrews 6:5](/codex/hebrews-6-5/), locus classicus