This good news of the kingdom( Matt 24:14) will be preached as a witness to all nations, then the end will come, like this-Luke 10–Acts 20:20.
The good news= Jesus accomplished the ransom sacrifice, opening the door to all to learn, apply and obey. In Job it teaches in Gods kingdom= ones skin will be fresher than in ones youth( now)Job 33:25) and will return to being youthful( not aging like now)–Food will overflow the mountains( Psalm 72:16)– Isaiah 11– perfect harmony amongst Gods creatures, A child will play on a cobra hole, no harm will come to him. Lion will eat straw( no more meat) all animals be tame. No resident will ever say-i am sick( Isaiah 33:24)
No more-fear, hate, greed, lusting, disease, sickness, (death, mourning, outcries or pain( Rev 1:3-4). no war, stealing, lying, cheating, etc–God kingdom will be a cure all= all things made back to perfection. Gods kingdom rule in full control forever, no more mortal govts ever( Daniel 2:44)– For the great crowd( Rev 7:9) and faithful resurrected ones this all occurs on Earth.–That is some of the good news. And we cannot forget, God only rested creating, he has unimaginable wonderful things in store for faithful mankind.