"Children in school learn what we call definitions. A definition is an explanatory statement which tells us exactly what a certain thing is, as "an island is a tract of land completely surrounded by water." God also gives us definitions in His Word. We could cite hundreds of examples! He tells us exactly what certain things are. And in the passage quoted above God tells us exactly what the second death is. "And death and hell were cast into the lake of fire. THIS IS THE SECOND DEATH." Now let me make this a little plainer. Definitions of men can be given backward. For instance, the definition, "An island is a tract of land completely surrounded by water," can be given thus: "A tract of land completely surrounded by water is an island." This is but another way of stating the same fact. It does not, in any way, change the meaning."
"Now let us try this on the definition of the second death. The Bible states it thus: "Death and hell were cast into the lake of fire. This is the second death." Now let us turn this statement around for clarity. "The second death is death and hell cast into the lake of fire." Therefore we have exactly the same meaning either way it is stated. What is the second death? IT IS THE FIRST DEATH AND HELL CAST INTO THE LAKE OF FIRE! This fact is very important. Most Christians and nearly all preachers read the Word of God very superficially. They read and suppose that the second death is men being tortured forever in the lake of fire. Yet there is absolutely nothing in this passage about men! The verse that follows the one we are considering speaks of men being cast into the lake of fire. But not this one! It is the state of death and the condition of hell that are cast into the lake of fire. The second death is not men cast into the lake of fire, or men tormented or tortured forever. That’s not in the Book! The Holy Spirit has made it very simple and plain. The second death is the first death and hell cast into the lake of fire. That is the Holy Spirit’s definition, not mine."
Muxh more in the link:
https://www.godfire.net/eby/Rev/rev231.html
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Death will end. This is eternity. There is eternal punishment for Satan and the demons any any who served them. When we die we are dead. When the dead souls are raised there will ether be eternal damnation or eternal life.
https://www.godfire.net/Elwin/250-251_End_No_End_print.htm
Is There an END or NO END
To
"Everlasting" Punishment
And
"Eternal" Life
"And these shall go away into everlasting punishment: but the righteous into life eternal." Matthew 25:46.
"Due to the words, everlasting and eternal having been translated from the same Greek word, *aionios, this verse has been an ongoing debate for many years. One point has been made: If the punishment is only for an age, that is, age-lasting, there is an end to it. This would then mean that there would also be an end to life eternal that Jesus mentioned in the same breath. Another view is that neither will end. If there is no end to this life, there is also no end to the punishment. The same argument is held: Since aionios is used for both, and we believe this life never ends, the word surely means eternal; therefore, as it is life, the punishment never ends. This assumption logically has to stand firm for some to satisfy the thought of eternal life. *[aionios: perpetual from aion, an age (Strong's); aionios is the adjective form of aion and has been translated age, course, eternal, ever, for ever, for evermore, ever, never, world, beginning of the world, while the world, world began, world without end, and everlasting (KJV). Age-lasting and age-during (enduring the age) settles in as being to be the most accurate."
Much more in the link:
https://www.godfire.net/Elwin/250-251_End_No_End_print.htm
"And I heard a great voice out of heaven saying, Behold, the tabernacle (dwelling place) of God is with men, and He will dwell with them, and they shall be His people, and God Himself shall be with them, and be their God. And God shall wipe away all tears from their eyes; and there shall be no more death, neither sorrow, nor crying, neither shall there be any more pain: for the former things are passed away. And He that sat upon the throne said, Behold, I make ALL THINGS NEW. And he said unto me, Write: for these words are true and faithful" (Rev. 21:3-5).
"Whatever we hold as the nature of the death state, may we let this truth sink deep into our hearts: DEATH IS TO BE ABOLISHED. The ringing declaration, "The last enemy that shall be destroyed is death," overthrows the whole structure of accepted, but unproved, theology which shuts up the mass of the human race in "eternal death." When the "last" enemy is destroyed, abolished, it is self-evident that none remains. Those wretched religionists who demand the endlessness of death, who argue for eternal torment in the lake of fire, the second death, do err, not knowing the scriptures nor the power of God. The lake of fire must end because death and hell are cast into it, which is the second death, and in the end THERE SHALL BE N-O M-O-R-E D-E-A-T-H. No more death! No more first death. No more second death. No more of any kind of death. To say there is no more death is to say that there is no more sin and no more sinners, for sinners are dead men, and the wages of sin is death. To say there is no more death is to say that God has not "burned up" all the wicked and left them dead, or in hell, for as long as any creature of God is in a state of death, death is not abolished — its power still reigns. To say there is no more death is to say there is no more hell, for hell is "the realm of the dead." To say there is no more death is to say there is no more a lake of fire, for the lake of fire is the second death. What a universe of truth is contained in three little words: NO MORE DEATH!
"All Bible statements prove that the two deaths are absolutely UNLIKE, and that the two are opposite and antagonistic. The second death undoes all the work of the first death in the same manner that the last Adam undid all the work of the first Adam. Not to nullify the purpose being wrought out by the plan of God in the firsts, but to bring a release from the firsts in a MUCH MORE manner of majesty and glory and power and scope of converge, into the greater and more glorious things of God. Creation was made subject to vanity for a purpose! Sin was allowed for wise ends, but when those ends have been secured it will have to cease to exist. The purpose is not nullified, but the means whereby the purpose has been executed shall be done away. Discipline is a means to an end, but not the end itself, it leads up to the ‘AFTERWARDS YIELDING THE PEACEABLE FRUIT OF RIGHTEOUSNESS.’
"The first Adam died to God and righteousness, and became alive unto sin. The last Adam died unto sin (Rom. 6:10), and liveth unto God, and so fulfilleth all righteousness. The first made all men sinners, the last makes all men righteous. The lives and the deaths of the two Adams are thus greatly contrasting the one to the other. The first death was a transition from life to death, whereas the second death is a transition from corruption to incorruption, from mortality to immortality. Transformed from the carnal mind to the spiritual mind, which is life and peace, which transformation is wrought by a dying out to the one realm, to become alive to the higher realm. Because — the second death is prepared to purge out and burn away sin and its results, and so doing cleanse all of God’s universe."
"There is a strange and wonderful statement found in Revelation 2:11. "He that hath an ear, let him hear what the Spirit sayeth unto the churches; he that overcometh shall not be hurt of the second death." I would draw your attention to the fact that it does not say that the overcomer experiences nothing of the second death, that he does not pass through it, or that its work is not wrought in his life; but the thought is that he will not be "hurt" by it. It is possible to pass through the most terrible experience and not be hurt by it. Listen! "And the three men, Shadrach, Meshack, and Abednego, fell down bound into the midst of the burning fiery furnace. Then Nebuchadnezzar the king was astonished, and rose up in haste, and spake, and said unto his counselors, Did not we cast three men bound into the midst of the fire? They answered and said unto the king, True, O king. He answered and said, Lo, I see four men loose, walking in the midst of the fire, and they have no hurt; and the form of the fourth is like the Son of God" (Dan. 3:23-25). Oh, to know that we can pass through the darkest night or the hottest fire and not be hurt by it if Jesus goes with us! How heartening and assuring to read such promises as these: "When thou passeth through the waters, I will be with thee; and through the rivers, they shall not overflow thee; and when thou walkest through the fire, thou shalt not be burned; neither shall the flame kindle upon thee" (Isa. 43:2). The great difference between the unbeliever and the child of God is that the unbeliever is taken hand and foot and "cast" into the lake of fire, fighting, kicking, screaming, and resisting all the way, whereas the child of God willingly and obediently walks into the fiery processings of God hand in hand with His blessed Redeemer. And, one way or the other, ALL MUST DIE UNTO SIN!"