How to Have Assurance of Salvation, According to the Apostle John

An illustration of John the Apostle from the Book of Kells, circa 9th century

“How then can a man be just with God? Or how can he be clean who is born of woman?” (Job 25:4)

Questions like this have been plaguing human beings since the beginning of time. Those who believe in a righteous God naturally wonder, “Am I righteous as well? Does He approve of me? Will I escape judgment? Does He love me?” This desire for assurance has sent people on lifelong journeys, many of which fail to provide them with the clarity they lack. Some conclude that it simply isn’t possible to know if God approves of us.

While scripture tells us that, “There is no one who does good, not even one,” (Psalm 14:3b) it also promises hope of salvation through Jesus Christ.  Moreover, it teaches that it is possible to be assured of one’s salvation, and that those who are truly in Christ will persevere to the end. Sadly, not all Christians cling to these scriptural truths. Instead, they spend their lives chasing any number of things that they hope will grant them some measure of assurance: the sacraments, good deeds, church attendance, etc. It is not difficult to see how this changes the Christian life entirely. Those who put their trust in these things have only a false hope, and many who try find their confidence ultimately shaken.

The Apostle John wrote a letter to address this very problem. “These things I have written to you who believe in the name of the Son of God, so that you may know that you have eternal life,” he said. (1 John 5:13) Not a hope that you have eternal life. Not an attempt to gain eternal life. No, he said that we can know that we have it. Continue reading