Gospel
In the UPDV the Greek term usually rendered "gospel" comes through as "good news," and that translation choice carries the topic. The good news is announced by Yahweh's heralds in Isaiah, taken up in Jesus's preaching of the kingdom, defined and defended by Paul as God's saving power, entrusted to apostolic stewards, and projected outward to all nations and even to the dead. Across both Testaments the same content cluster keeps surfacing: a herald, a sent message, a saving word, and a covenant settlement that God himself guarantees.
Heralds in Israel's Prophets
The OT already speaks the umbrella vocabulary. From Zion the word goes out to the nations: "out of Zion will go forth the law, and the word of Yahweh from Jerusalem" (Isa 2:3), and Micah duplicates the vision — "many nations will go and say, Come⁺, and let us go up to the mountain of Yahweh" (Mic 4:1-2). In Isaiah's mouth, the messenger is unmistakably an evangelist: "How beautiful on the mountains are the feet of him who brings good news, who publishes peace, who brings good news of good [things], who publishes salvation, who says to Zion, Your God reigns!" (Isa 52:7). A second herald is summoned to the high mountain: "O you who tell good news to Zion, get yourself up on a high mountain; O you who tell good news to Jerusalem, lift up your voice with strength" (Isa 40:9). The herald's content includes the opening of deaf ears and blind eyes: "in that day the deaf will hear the words of the book, and the eyes of the blind will see out of obscurity and out of darkness" (Isa 29:18). Light dawns on those in darkness (Isa 9:2); a child is born who is "Wonderful, Counselor, Mighty God, Everlasting Father, Prince of Peace," and his government and peace will not end (Isa 9:6-7). Anointed by the Spirit, the figure of Isaiah 61 announces the program: "Yahweh has anointed me to preach good news to the meek; he has sent me to bind up the brokenhearted, to proclaim liberty to the captives, and the opening [of the prison] to those who are bound; to proclaim the year of Yahweh's favor, and the day of vengeance of our God; to comfort all who mourn" (Isa 61:1-2).
A New Covenant in the Prophets
The prophets bind this announcement to a covenantal pivot. Yahweh declares a new covenant unlike the Sinai one — "I will put my law in their inward parts, and in their heart I will write it; and I will be their God, and they will be my people" — sealed with the promise, "I will forgive their iniquity, and their sin I will remember no more" (Jer 31:31-34). Joel adds the Spirit-outpouring horizon: "I will pour out my Spirit on all flesh; and your⁺ sons and your⁺ daughters will prophesy" (Joel 2:28-31). Isaiah's anchor on the durability of the message — "the grass withers, the flower fades; but the word of our God will stand forever" (Isa 40:8) — becomes the warrant later writers will cite for the gospel's permanence.
Jesus and the Hinge in His Preaching
The gospel arrives in person. Mark titles his book "The beginning of the good news of Jesus Christ, the Son of God" (Mark 1:1) and frames Jesus's first message in Galilee as "preaching the good news of God, and saying, The time is fulfilled, and the kingdom of God is at hand: repent⁺, and believe⁺ in the good news" (Mark 1:14-15). Luke marks the era-shift in similar terms: "The law and the prophets [were] until John: from that time the good news of the kingdom of God is preached, and every man enters violently into it" (Luke 16:16). John's prologue interprets the same hinge as a covenantal change in administration: "the law was given through Moses; grace and truth came through Jesus Christ" (John 1:17), and Jesus's high-priestly prayer reports the channel of the message — "the words which you gave me I have given to them; and they received [them], and knew of a truth that I came forth from you" (John 17:8).
The Comparisons of Jesus
Jesus likened the kingdom-announcement to small things that grow large or hidden things that work through the whole. He set it beside a mustard seed — "less than all the seeds that are on the earth, yet when it is sown, grows up, and becomes greater than all the herbs" (Mark 4:30-33) — and beside leaven, "which a woman took and hid in three measures of meal, until it was all leavened" (Luke 13:18-21). He told it as a great supper to which many were invited and made excuses, with the master finally sending his slave into the highways and hedges so that the house may be filled (Luke 14:16-24). The umbrella term in these similes is "the kingdom of God"; the gospel is what gets preached about it.
Paul's Definition: Power of God for Salvation
Paul gathers all this under one heading: "the good news of God" (Rom 1:1). Its content is plain, and its effect is unembarrassed: "I am not ashamed of the good news: for it is the power of God to salvation to everyone who believes; to the Jew first, and also to the Greek. For in it is revealed a righteousness of God from faith to faith" (Rom 1:16-17). The same message can be named differently and remains the same thing — "the good news of Christ" (1 Cor 9:12; Phil 1:27; Gal 1:7), "the good news of the glory of Christ" (2 Cor 4:4), "the good news of your⁺ salvation" (Eph 1:13), "the good news of peace" (Eph 6:15). To swap it for "another" is to "distort the good news of Christ" (Gal 1:7).
The content can be condensed into a creed: "Great is the mystery of godliness; He who was manifested in the flesh, Justified in the spirit, Seen of angels, Preached among the nations, Believed on in the world, Received up in glory" (1 Tim 3:16). Or it can be spelled out as a kerygma — the gospel "which I preached to you⁺, which also you⁺ received, in which also you⁺ stand, by which also you⁺ are saved" (1 Cor 15:1-2). Its central piece is the cross: "the word of the cross is to those who perish foolishness; but to us who are saved it is the power of God" (1 Cor 1:18); "it was God's good pleasure through the foolishness of the preaching to save those who believe" (1 Cor 1:21); "to those who are called, both Jews and Greeks, Christ the power of God, and the wisdom of God" (1 Cor 1:24). Its outcome is life: Christ Jesus "abolished death, and brought life and immortality to light through the good news" (2 Tim 1:10). And it has a missionary geometry already mapped by Isaiah — "How will they preach, except they be sent? According to as it is written, How beautiful are the feet of those who bring good news of good things!" (Rom 10:15) — and an inward shape — "the word is near you, in your mouth, and in your heart: that is, the word of faith, which we preach" (Rom 10:8).
Names and Aspects of the Same Word
Across the apostolic letters the message is named in many overlapping ways. It is "the word of the truth, the good news of your⁺ salvation" (Eph 1:13); "the word of the truth of the good news" that "is also in all the world bearing fruit and increasing" (Col 1:5-6); "the word of the message, [even the word] of God ... which also works in you⁺ who believe" (1 Thess 2:13); "the word of truth" by which God brought us forth as "a kind of first fruits of his creatures" (Jas 1:18); the "implanted word, which is able to save your⁺ souls" (Jas 1:21). The same word is the seed of regeneration: "having been begotten again, not of corruptible seed, but of incorruptible, through the word of God, which lives and stays" (1 Pet 1:23); and again, "the word of the Lord stays forever. And this is the word of good news which was preached to you⁺" (1 Pet 1:25) — a direct application of Isa 40:8 to the apostolic message.
The Mystery Now Made Known
Paul also calls the gospel a "mystery." It is the now-disclosed secret of God's purpose for the nations: "to me, who am less than the least of all saints, was this grace given, to preach to the Gentiles [the good news of] the unsearchable riches of Christ; and to make all men see what is the dispensation of the mystery which since the [past] ages has been hid in God" (Eph 3:8-11). He asks his readers to pray for "utterance ... in opening my mouth, to make known with boldness the mystery of the good news" (Eph 6:19). What had been preached beforehand to Abraham — "In you will all the nations be blessed" (Gal 3:8) — has now reached its disclosure.
Better Covenant, Better Promises
Hebrews collects the new-covenant prophecy and applies it: Christ "is also the mediator of a better covenant, which has been enacted on better promises" (Heb 8:6), citing Jer 31 in full and concluding, "in that he says, New, he has made the first obsolete" (Heb 8:8-13). The same letter extends the umbrella backward through history: "indeed we have had good news preached to us, even as they also [did]: but the word of hearing did not profit those who were not united in the faith with those who heard" (Heb 4:2). The good news, on this telling, has always been on offer; what changes at the new covenant is its mediator and its securing promises.
Stewardship of the Gospel
The good news comes with stewards. Paul speaks of his role as a custody — "I had been entrusted with the good news of the uncircumcision, even as Peter with [the good news] of the circumcision" (Gal 2:7); "even as we have been approved of God to be entrusted with the good news, so we speak; not as pleasing men, but God who proves our hearts" (1 Thess 2:4); "the good news of the glory of the blessed God, which was committed to my trust" (1 Tim 1:11); the word "with which I was entrusted according to the commandment of God our Savior" (Titus 1:3). The dispensation is not optional employment: "if I participate in this of my own will, I have a reward: but if not of my own will, I have a stewardship entrusted to me" (1 Cor 9:17); Paul is "a servant, according to the dispensation of God which was given me toward you⁺, to fulfill the word of God" (Col 1:25). Stewardship means restraint: rights are foregone "that we may cause no hindrance to the good news of Christ" (1 Cor 9:12). It also means civic conduct: believers are to "live⁺ as citizens worthy of the good news of Christ ... struggling for the faith of the good news" (Phil 1:27). And it means power, not mere words: "our good news did not come to you⁺ in word only, but also in power, and in the Holy Spirit, and in much assurance" (1 Thess 1:5).
When the Good News Is Veiled
Not all hear. "Even if our good news is veiled, it is veiled in those who perish: in whom the god of this age has blinded the minds of the unbelieving, that the light of the good news of the glory of Christ, who is the image of God, should not dawn [on them]" (2 Cor 4:3-4). The corresponding light is the same light that began creation: "God, who said, Light will shine out of darkness, who shined in our hearts, to give the light of the knowledge of the glory of God in the face of Jesus Christ" (2 Cor 4:6). Refusing the message has a name and a consequence: "rendering vengeance to those who do not know God, and to those who do not obey the good news of our Lord Jesus" (2 Thess 1:8); "if [judgment begins] first at us, what [will be] the end of those who do not obey the good news of God?" (1 Pet 4:17).
Universal Reach
The gospel's geography is, by promise and by command, the whole earth. "The good news must first be preached to all the nations" (Mark 13:10). The hope of which the Colossians had heard "was preached in all creation under heaven; of which I Paul was made a servant" (Col 1:23), and the same word "is also in all the world bearing fruit and increasing" (Col 1:5-6). Its reach extends even past the living: "to this end was the good news preached even to the dead, that they might be judged indeed according to men in the flesh, but live according to God in the spirit" (1 Pet 4:6). The arc closes in apocalyptic form when John sees "another angel flying in mid heaven, having eternal good news to proclaim to those who dwell on the earth, and to every nation and tribe and tongue and people," whose announcement is, "Fear God, and give him glory; for the hour of his judgment has come" (Rev 14:6-7).