Matthew 12:31 Wherefore I say unto you, All manner of sin and blasphemy shall be forgiven unto men: but the blasphemy against the Holy Ghost shall not be forgiven unto men.
32 And whosoever speaketh a word against the Son of man, it shall be forgiven him: but whosoever speaketh against the Holy Ghost, it shall not be forgiven him, neither in this world, neither in the world to come.
it shall not be forgiven him, neither in this world, neither in the world to come.
If it shall not be forgiven him in this world, which I take to mean this present age, let alone it will not be forgiven him in the age to come, how then could a person doing this possibly get saved in this age if they can't even be forgiven in this age? The text indicates it is only whosoever speaketh against the Holy Ghost, it shall not be forgiven him. I would think this easily debunks universalism.
Paul speaks of the age to come (Eph.1:21). In the same context he refers to multiple ages to come (Eph.2:7), as do many other Scriptures (e.g. Lk.1:33; Rev.11:15). So a sin that is not pardoned in this age or the coming age does not require it mean it can never be pardoned, or that it cannot be pardoned in an age following the coming age.
A criminal is sentenced to 20 years in prison. If he is pardoned after 10 years for good behavior or by the governor he gets out of prison early. Otherwise he is not pardoned & serves his full sentence. Then he is released. The fact he was not pardoned did not mean he stayed in prison & was punished forever. Even though he was not pardoned, he still became free when his sentence was served. Or after half his sentence was served when the governor pardoned him or he repented & changed his ways.
For some people who lied to the Holy Spirit they were not pardoned & their sentence was immediate physical death (e.g. Acts 5).
In this case a person is not pardoned. But it is limited until he die:
Isa 22:14 But the LORD of hosts revealed Himself to me, "Surely this iniquity shall not be forgiven [purged/atoned] you Until you die," says the Lord GOD of hosts.
Was the immoral person of 1 Cor.5:4-5 pardoned while in his sin? No, he was given over to Satan for destruction that he might be saved in the day of the Lord.
Was King Nebuchadnezzar pardoned during the 7 years God made him insanely eat grass like an animal. No. Though he wasn't pardoned, he wasn't punished forever, either.
Here we see a sin that won't be pardoned. It won't be pardoned "until" they pardon others:
Mt.6:15 But if you do not forgive others their sins, your Father will not forgive your sins.
Similarly, the not being pardoned here is "until" a certain point:
Mt.18:34 In his anger, his master turned him over to the jailers to be tortured, until he should repay all that he owed. 35
That is how My Heavenly Father will treat each of you, unless you forgive your brother from your heart.
If such a horrific thing as eternal punishment were the idea in Mt.12:31-32 & Mk.3:28-29, would Christ have used the ambiguous words aion & aionios? No. He would have used words such as eternal (aidios, Rom.1:20; Jude 6), endless (aperantos, 1 Tim.1:4), no end (Lk.1:33), unlimited (apeiron, by Philo). Since He never used such words, He did not teach endless annihilation or torments.
The Spirit blasphemers (Heb.10:28-29) are even worse than a "serial sinner" such as Saul of Tarsus who was persecuting Spirit filled Christians, even unto death.
Even then, all of God's punishments are corrective, not merely pointlessly or sadistically meting out justice for justice's sake, but for the good of all, including the offender.
Heb.10:28 A man that hath set at nought Moses' law dieth without compassion on the word of two or three witnesses: 29 of how much sorer punishment, think ye, shall he be judged worthy, who hath trodden under foot the Son of God, and hath counted the blood of the covenant, wherewith he was sanctified, an unholy thing, and hath done despite unto the Spirit of grace?
Stoning to death is not a very sore or longlasting punishment. People suffered far worse deaths via the torture methods of the eternal hell believing Medieval Inquisitionists and the German Nazis under Hitler.
Therefore, if the writer of Hebrews believed the wicked would be punished with something so monstrous as being endlessly annihilated or tormented, he would not have chosen to compare their punishment to something so lame as being stoned to death. Clearly he did not believe Love Omnipotent is an unfeeling terminator machine or sadist who abandons forever the beings He created in His own image & likeness so easily.
He shall save His people (Mt.1:21), i.e. Israel (2:6), from their sins.
Rom 5:18 Consequently, then, as it was through one offense for all mankind for condemnation, thus also it is through one just act for all mankind for life's justifying."
Rom 5:19 For even as, through the disobedience of the one man, the many were constituted sinners, thus also, through the obedience of the One, the many shall be constituted just."
Spirit blasphemy - unpardonable sin:
Spirit blasphemy - unpardonable sin