The word therefore,
which introduces Matthew 12:31, refers to the verses just before it: that because no one can remain neutral when it comes to the battle between God and Satan (Matthew 12:30), Jesus now warns the Pharisees of the serious consequences of their supposed neutrality. Blasphemy against the Spirit is so grave that there can be no forgiveness. Here we see a contrast between all other sinful deeds (including even sin against the Son of Man, Matthew 12:32) and the sin against the Holy Spirit. Blasphemy (blasphēmia) against the Spirit is not just a single act; it is a deliberate rejection of the saving grace of God (Matthew 12:34–35). The Pharisees were already guilty of this sin, in claiming that Jesus had allied himself with the devil.
The work of God can only be discerned through illumination by the Spirit. Whoever has received that illumination and then deliberately resists it—as the Pharisees did—commits this gravest of all sins. Hebrews 6:4–6 and Hebrews 10:26 provide clarification in this regard. The unique character of this sin—its resistance against the gracious gift of God—makes it unforgivable (1 John 5:16)
The word therefore,
with which Matthew 12:31 is introduced, refers to the verses immediately preceding this one: because it is impossible to remain neutral when it comes to the battle between God and Satan (Matthew 12:30), Jesus now warns the Pharisees of the extremely serious consequences of their supposedly neutral stance. Blasphemy against the Spirit is a uniquely grave sin—so grave that there is no possibility of forgiveness. Here we see a contrast between all other sinful deeds (including even sin done against the Son of Man, Matthew 12:32) on the one hand, and the sin against the Holy Spirit on the other. Blasphemy against the Spirit is not just a single heinous act; it is an entire posture of life—a second, anti-divine nature (Matthew 12:34–35).1
The word blasphemy
(blasphēmia) itself constitutes an extremely strong expression, which signifies a deliberate, wicked rejection of the saving power and grace of God. The Pharisees were already very much guilty of this sin, since they claimed that Jesus had allied himself with the devil.
All other sins—whether conducted against fellow human beings or against God—can be forgiven. People may still enter God’s kingdom despite all of them. Yet there is only one reason why a person will be excluded: blasphemy against the Holy Spirit. Not even the Stronger One, the Messiah himself, will forgive it. Within the context of Jesus’ words, it is clear that this refers specifically to the sin of the Pharisees, who blaspheme the work of God’s Spirit in Jesus and attribute it to Beelzebul. Apart from Jesus, the One anointed with the Spirit, there is no sharing in the full amnesty offered to humankind. Through Jesus’ word, God throws the doors wide open—but at the same time there is only one gate: this Anointed One.2
The work of God can only be discerned through a certain illumination by the Spirit. Whoever has received that illumination and then deliberately resists it—as the Pharisees did—commits this gravest of all sins. Hebrews 6:4–6 and Hebrews 10:26 provide clarification in this regard. The unique character of this sin—namely, that it constitutes resistance against the gracious gift of God—makes it unforgivable (1 John 5:16).3
31 C'est pourquoi je vous dis: Tout péché et tout blasphème sera pardonné aux hommes, mais le blasphème contre l'Esprit ne sera point pardonné.