You're not getting it, neither have you apparently read all the commentaries,
resource articles with proofs or considered this issue in its total implications. You're mind is made up, without a desire to really Research whats been provided you
here and elsewhere. Again, I challenge you to read all the evidences put forth in the shared resource site that's been provided ,...this is for your own benefit, if you would be so brave to discover facts and truth for yourself, having the proper info. from which to draw a more
informed conclusion.
The concept of 'eternal salvation' or 'eternal life', a person receiving the divine nature or divine kind of life that endures into the ages, or for a particular 'age' is NOT insane....since this is available for one's own choosing, and God's good pleasure to give as a GIFT.
What is insane is the assumption that this God of LOVE is going to condemn and DETAIN souls in a lake of fire (or any space of containment) for all eternity, in a state of suffering, pain, agony, sorrow, misery, without allowing for them to EVER have any relief, hope or salvation whatsoever. This is imposing a punishment that is
TO NO END (it accomplishes nothing; the suffering has no corrective purpose leading to the soul's repentance or reformation....at least in Universalism the soul undergoes a period of purgatorial suffering and is then
rehabilitated thereby....in ECT, there is no resolve or rehabilitation, again its just eternal torture....TO NO END. That is INSANE.
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More on the word 'aion', 'aionios' (and its derivatives)- see
Here