What Is the Unforgiveable Sin?
The Lord Jesus in Mark 3 speaks about the unforgiveable sin. This article considers in detail just what this sin against the Holy Spirit is.
Is There an Unpardonable Sin?
Unpardonable sin is rooted in the rejection of Jesus Christ and the work of the Holy Spirit. This is not a sin that can be committed by the believer, but only the unbeliever. This article on Matthew 12:31-32 discusses the sin against the Holy Spirit.