What is the “sin that leads to death?” The Bible promises clearly, “If we confess our sins, he is faithful and just to forgive us our sins and to cleanse us from all unrighteousness” (I Jn 1:9). “Confess” here is obviously comprehensive for repent and forsake sin as we continue to “walk in the light.” Since sins that do not lead to death are the sins committed while walking in the light, and since every sin confessed is forgiven; then the sin that leads to death is obviously the sin which is not confessed and forsaken but rather is continued in, becoming a lifestyle, a walking in darkness. When we see an unrepentant sinful lifestyle, it would do no good to pray for them to be forgiven. We can surely pray that one walking in darkness would repent and turn back to the light.
“Blasphemy against the Spirit” is a specifically named action. Difficult questions arise in determining what precisely it is and particularly why it, alone of all other sins, cannot be forgiven. Blasphemy involves speaking against God or sacred things. Read what Jesus said in Matthew 12:32 about speaking against “the Holy Spirit,” which will not be forgiven. God the Father, Jesus the Son of God and the Holy Spirit are all Deity and cannot be separated. They are “one.” Talking to the same Pharisees on the same occasion, Jesus said: “You brood of vipers…” (Mt 12:34) They were willingly blind, refusing to see (Jn 9:40-41).
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