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The Book of 1 John

Writing to counter early teaching that denied Jesus had truly come in human flesh, John offers across five chapters three tests by which believers can know they belong to God: right belief about Christ, obedient living, and genuine love for fellow believers. The letter is unusually warm, written to little children he loves. Begin at 1 John chapter 1.

1 John: Tests of Genuine Christian Assurance

À propos de 1 Jean

First John is the sixty-second book of the Bible, written by the apostle John around AD 85-95 and spanning 5 chapters. Written to counter an early form of Gnostic teaching that denied the full humanity of Christ and used their supposed superior spiritual knowledge to justify moral license, First John provides tests by which believers can assure themselves of genuine salvation and fellowship with God. The letter is written with unusual warmth and intimacy -- John calls his readers little children and overflows with pastoral affection -- even as it draws sharp distinctions between light and darkness, truth and falsehood, love and hatred. Major themes include the reality of the incarnation (Jesus come in the flesh), assurance of salvation through the tests of right belief, righteous conduct, and genuine love for fellow believers, God as light and love, the ongoing intercession of Christ for believers who sin, and overcoming the world through faith. Key chapters include 1 John 1 (fellowship with God who is light, and confession of sin), 1 John 3 (we are children of God -- what love the Father has lavished on us), and 1 John 4 (God is love -- the great declaration). Famous verses include 1 John 4:8 -- Whoever does not love does not know God, because God is love -- and 1 John 1:9 -- If we confess our sins, he is faithful and just and will forgive us our sins. First John KJV Bible reading is a profound test and assurance of genuine Christian experience. Read the Book of 1 John online here in full.

Questions Fréquentes

Who wrote 1 John, and what problem was it addressing?
First John was written by the apostle John around AD 85-95 to counter an early form of teaching that denied Jesus had truly come in human flesh, while some who held this view used claimed superior spiritual knowledge to excuse immoral behavior. It opens in 1 John chapter 1 with John testifying to what he had personally seen, heard, and touched concerning the Word of life.
What are the tests of genuine faith in 1 John?
1 John gives readers three interlocking tests for authentic Christian life: right belief about Jesus as the Son of God come in the flesh, obedience to God's commandments, and genuine love for fellow believers. John returns to these three tests repeatedly throughout the letter as a way for believers to assure themselves of real fellowship with God.
What does 1 John mean by God is love?
1 John 4:8 states that whoever does not love does not know God, because God is love, and the surrounding passage argues that God's love was shown supremely by sending his Son as an atoning sacrifice. This declaration is one of the most direct and quoted statements about God's character found anywhere in the Bible.
What does 1 John 1:9 promise about confession of sin?
1 John 1:9 promises that if believers confess their sins, God is faithful and just and will forgive their sins and purify them from all unrighteousness. The verse appears in a chapter that insists believers must honestly acknowledge sin rather than claim to be without it.
Why does John call his readers little children?
John repeatedly addresses his readers as little children throughout the letter, reflecting his pastoral affection as an elderly apostle writing to congregations he had shepherded for decades. This warm, familial tone runs alongside the letter's sharp warnings against false teachers and moral compromise.
How does 1 John relate to John's Gospel?
1 John shares vocabulary and themes with the Gospel of John, such as light, life, love, and the Word, though the letter applies these ideas pastorally to test genuine faith rather than to narrate Jesus' earthly ministry. Its concern for right belief also echoes Paul's insistence in letters like Romans and Galatians that the content of one's faith matters, not just its sincerity.

Its declaration that God is love stands as one of scripture's most direct statements about God's own nature, paired with the promise that believers may know with confidence that they have eternal life. It reads well alongside Paul's letters to 1 Corinthians and Galatians on the marks of genuine faith.