Jesus also makes the claim that "all sins" can be forgiven, except for an eternal sin, such as blasphemy against the Holy Spirit (). Mark inserts his own explanation as to why Jesus said this, stating "He said this because they were saying, "He has an evil spirit." (), thus Jesus according to Mark is saying that accusing him of using Satan for his power is in effect calling the work of God evil and failing to see the work of God in Jesus' actions. The parallels in and and the Gospel of Thomas 44 call this the unforgivable sin. Unforgivable sins are also listed in Hebrews and as well as 1 John . There is also a possible link with 1 Corinthians .