Answer
When dealing with afterlife/eternal life Christian doctrine has to take into account three distinct periods (1) from the fall of Adam to the coming of Christ (2) the Kingdom of God the Son from the coming of Christ to the Last Day (3) the Kingdom of God the Father after the Last Day. You will need to know this to understand the following passages of Scripture.
The Resurrection, dealing with period (1) above: "Sadducees came to him, who say that there is no resurrection; ……. But Jesus answered them, "You are wrong, because you know neither the scriptures nor the power of God. For in the resurrection they neither marry nor are given in marriage, but are like angels in heaven. And as for the resurrection of the dead, have you not read what was said to you by God, 'I am the God of Abraham, and the God of Isaac, and the God of Jacob? He is not God of the dead, but of the living" (Matthew Ch 22)
. Note: Angels often appeared in human form. They even ate food which Abraham prepared for them.
"Martha said to Jesus, Lord, if you had been here, my brother would not have died. And even now I know that whatever you ask from God, God will give you." Jesus said to her, "Your brother will rise again." Martha said to him, "I know that he will rise again in the resurrection at the last day." Jesus said to her, "I am the resurrection and the life; he who believes in me, though he die, yet shall he live, and whoever lives and believes in me shall never die. Do you believe this?" She said to him, "Yes, Lord; I believe that you are the Christ, the Son of God, he who is coming into the world."' (John Ch 11) Note that Jesus did not agree with Martha when she linked the resurrection to the Last Day.
Timing of the resurrection: "Truly, truly, I say to you, the hour is coming, and now is, when the dead will hear the voice of the Son of God, and those who hear will live……for the hour is coming when all who are in the tombs will hear his voice and come forth, those who have done good, to the resurrection of life, and those who have done evil, to the resurrection of judgement." (John Ch 5) "And behold, the curtain of the temple was torn in two, from top to bottom; and the earth shook, and the rocks were split; the tombs also were opened, and many bodies of the saints who had fallen asleep were raised, and coming out of the tombs after his resurrection they went into the holy city and appeared to many." (Matthew Ch 27) The Last Day, dealing with periods (2) and (3) above: "All that the Father gives me will come to me; and him who comes to me I will not cast out. For I have come down from heaven, not to do my own will, but the will of him who sent me; and this is the will of him who sent me, that I should lose nothing of all that he has given me, but raise it up at the last day." (John Ch 6)
"The kingdom of heaven is like a net which was thrown into the sea and gathered fish of every kind; when it was full, men drew it ashore and sat down and sorted the good into vessels but threw away the bad. So it will be at the close of the age. The angels will come out and separate the evil from the righteous, and throw them into the furnace of fire; there men will weep and gnash their teeth. Then the righteous will shine like the sun in the kingdom of their Father. He who has ears, let him hear" (Matthew Ch 13).
Satanists do not believe in an afterlife.
According to the Bible there is indeed an after life. It is called heaven. There is another place which has not been originally prepared for people but for the devil and his angels (demons). Men choose to go there as well by rejecting God. This place is called hell.
The deciding factor is how people fare when they are judged on the basis of how they accepted or rejected Jesus Christ.
Hebrews 9:27 (King James Version)
27And as it is appointed unto men once to die, but after this the judgment:
Without empirical proof, all concept are mere wishful thinking. However among the various concept of afterlife, Reincarnation is the only one with plausible proof;
In my opinion, there is an afterlife.
The idea that there is an afterlife is a common method employed by faiths to 'solve' the difficult issue of death, and summed up, is merely wishful thinking to avoid the issue rather than deal with it. It is similar to telling a child that their pet didn't die, it went away to live on a farm, with all the other animals, a tactic parents often employ, although the circumstances of these situations are too different (i.e the child and the adult believer) to be directly compared. It partly plays on the slight arrogance of the human race, that we are so far superior to other living creatures that we are essentially immortal (referring to the concept of 'living on' for ever after we die). It is widely believed because we want to believe it, and because it feels right, compared to the nothingness that would appear to be the truth, but this does not make it real any more than Narnia exists because a child believes in it.
Here are the arguments of afterlife according to Quran:
1- Just as our Creator gave us life in this world He will bring us back to life on the Day of Resurrection.
2- Allah Who created the heavens and the earth and was not tired of it can easily bring the dead back to life.
3-Allah Who created the heavens and the earth can create the like of them. He can create the Hell and the Paradise.
4- It is He Who originates the creation, then will repeat it and it is easier for Him. As doing the same for the second time is naturally easier than the first time. Although neither the first nor the second creation is difficult for Him.
5-Afterlife is the natural demand of our morality as we know that good and bad are not equal and same and they shouldn't be. Should the reward of prophets and pious people (who are the best people of humanity) and the worst people be the same. Should human beings and trees or insects be dealt equally that both die and that is all?
Here are some verses from Quran having such arguments.
(Al Kahaf Sura No 18, Verse no 37)
Do you disbelieve in Him Who created you from dust, then from a sperm-drop, then He fashioned you into a perfect man?
(Al Dukhan Sura No 44, Verse no 38)
And We have not created the heavens and the earth and all that is between them for amusement.
(Al Maryam Sura No 19, Verse no 66-67)
And man (the disbeliever) says: "What! When I am dead, shall I then be raised up alive?" Doesn't he remember that We created him before, when he was nothing
(Yaseen Sura No 36, Verse no 77-83)
Does not man see that We created him from a mere sperm-drop? Yet behold! he (stands forth) as an open quarreler. And he makes comparisons for Us and forgets his own creation. He says: "Who will give life to these bones after they are rotten and have become dust?" Say: "He will give them life Who created them for the first time! And He is the All-knower of every creation!" He Who produces for you fire out of the green tree, when behold, you kindle from it. Is not He Who created the heavens and the earth, Able to create the like of them? Yes, indeed! He is the All-Knowing Supreme Creator. Verily, His command, when He intends a thing, is only that He says to it, "Be" ــ and it is! So glory to Him in Whose hands is the dominion of all things: and to Him will you be brought back.
Answer:
Unitarian Universalists don't really have a unified opinion one way or the other, but most of us do believe in one.
As for my two cents worth, I hope it's kind of like it is in the 1991 Albert Brooks film "Defending Your Life".
I don't think we simply cease to exist, like atheists insist. However, I'm not entirely convinced of many of the dogmatic conventions of most organized religions either. Everybody seems to have one piece of the puzzle but nobody has all of the answers.
I have to consider that at the very least, even if atheists are right and we don't have souls but consciousness is solely a product of the brain and death is the cessation of existence, there is nothing in the universe that prevents consciousness from being possible again. You exist now, you have probably existed before (not as you now but as someone/something else), and you will probably exist again.
Also consider how many people have had near-death experiences and/or the cases of children having memories of things they could not possibly have learned in this life.
5,000 years ago, religious people thought religion answered everything. Today, many scientists/atheists think modern science answers everything. Imagine what will "answer everything" 5,000 years from now?
My philosophy is this: Live this life to the fullest in case the atheists are right, love your neighbor as if the Buddhists, Hindus, or Christians are right, and fight for your rights as if the Vikings were right. Fair enough?