What Is a Sin Unto Death?
The apostle Paul wrote these inspired words, “If any man see his brother sin a sin which is not unto death, he shall ask, and he shall give him life for them that sin not unto death. There is a sin unto death: I do not say that he shall pray for it. All unrighteousness is sin; and there is a sin unto death” (1 John 5:16-17). What is the proper understanding of this verse? This passage needn’t be puzzling to us. The subject is praying on behalf of a brother or a sister in Christ. In doing so, our prayer may be effective or ineffective, depending on the circumstances. One thing is certain, there is “a sin unto death.” Yet, what sin is it, and what is meant by the term “death?” The sin is not classified and should be understood as sin in general, since any sin could be “sin unto the death.” Even though any sin could be engaged in impenitently up until the moment of physical death, “death” here refers to spiritual death. It is this sin for which it is useless to pray because the sinner will neither confess it nor repent of it (James 5:16ff; 1 John 1:9; Revelation 2:5). His or her persistent sinning has brought about spiritual death, and he or she will physically die enslaved in sin if failing to turn from the sin. Thus, the “sin unto death” is an attitude of heart. Any Christian who sins and steadfastly refuses …