I found this great article explaining the blasphemy against the Holy Spirit, and I was wondering what people think of it. I found this passage particularly insightful:
Catechism of the Catholic Church
1864 – “Therefore I tell you, every sin and blasphemy will be forgiven men, but the blasphemy against the Spirit will not be forgiven.”136There are no limits to the mercy of God, but anyone who deliberately refuses to accept his mercy by repenting, rejects the forgiveness of his sins and the salvation offered by the Holy Spirit.137Such hardness of heart can lead to final impenitence and eternal loss.
136 -Mt12:31; cf.Mk3:29;Lk12:10.
137 – Cf. John Paul II,DeV46.
“Blasphemy … consists in uttering against God - inwardly or outwardly - words of hatred, reproach, or defiance; in speaking ill of God; in failing in respect toward him in one’s speech; in misusing God’s name.” That’s what the Catechism of the Catholic Church says, and to me it doesn’t seem to match the Catechism’s comment on blasphemy against the Holy Spirit, quoted in the original post. Maybe the Gospel means something different, or maybe there were nuances in Greek that were lost in translation.