Eternal sin
In Christian hamartiology, eternal sins, unforgivable sins, or unpardonable sins are sins which will not be forgiven by God. One eternal or unforgivable sin (blasphemy against the Holy Spirit) is specified in several passages of the Synoptic Gospels, including , , and .
Religious views on masturbation
Another American, the puritanical C. Matthew McMahon, argues, "... if any form of sin is a product of lust, then it is an evil and wicked action. If a man masturbates while watching a sensual movie, then he has sinned. When masturbation grows out of a sense of this need for physical release due to unclean thoughts, it is sin. This is easily understood and biblically undeniable... Self-love, turning to lust, is at the heart of masturbation.. Instead, the Christian man must set in motion an attitude of holiness and purity, instead of uncleanness and defilement. When he does this, he then “practices what he preaches.” Though he says that holiness is right and good, he has to live that way as well. The question arises and must be answered “Is masturbation itself condemned? ... Is it, in and of itself, a sin? I am biblically persuaded that masturbation... can only be achieved through lust..."