For centuries, it has been heaven, and it is understandable that people think and believe that once they die it is heaven that they will go to. That is true, but it is only a temporary place that we are to visit. Call it a waiting room if you like.
The real forever place will be the entire universe. Why else is it so large. We are promised that there will be a rapture of those that are present when the time of the Tribulation begins. Then there is the White Throne Judgment where the people that go through it will have their life’s seen like an open book for all to see. Those that pass this judgment will be like those that were at the rapture. Given an immortal and perfect body in place of the corruptible one, we now live within. An immortal body, can you grasp the meaning in those words. A human body that will not suffer illness or age and will last for billions of years.
What we will do in these bodies is only speculation, but it is certain for those that either make it past the White Throne, or accepted Christ into their heart before the rapture will have a glorious and wonderful life. Why? Because we will be serving the Lord our God and fulfilling those tasks that he assigns to us. That is the true forever and ever, which is said as you say the Lord’s pray if you read it fully and completely.
Then there is the other side of the coin. For in actuality God has promised all the children of Adam an eternal life in an immortal body. Those that do not make it past the White Throne Judgment have another destiny. It is one that is too terrible to put into words. Why? Because when those that fail realize that they too have an immortal body. A body that cannot die. A body that will last billions of years just like those that did make it past the judgment, but they have a different fate. A fate that will last as long as their bodies do. They will never sleep, for what they will go through will be beyond comprehension. They will beg to die because of it, but it will never happen. All because they turned their backs on God, and if they did not know of God then it was due to some horrible deeds they did within this corruptible life that made it impossible for them to be welcome before the Throne of God.
Those that know that their actions and behavior is something God has said not to do yet they do it. Some even do it joyfully. If you live a life that is considered a sin to God, I beg you turn away from it. Seek out the Son of God. Turn to Jesus and ask Him into your life even if you have to fall to your knees and beg for your forgiveness. Know that there will be times when you will falter and fall, but pick yourself up and continue upon the journey that will lead you to ultimately stand before God in joy, singing and praise of the One Most High. Then you too can come to enjoy that forever place.