General Epistles · New Testament

1 John

c. AD 85–95

Section
General Epistles · New Testament
Events span
c. AD 85–95
Written
c. AD 90, from Ephesus (near modern-day Selçuk, Turkey)
Author
John the Apostle

John writes to assure believers of eternal life and to expose false teaching. He gives tests of genuine faith: walking in the light, obeying God's commands, and above all loving one another, for “God is love.” By these we know we belong to the truth.

Historical setting: Written near Ephesus after the Second Temple's destruction (AD 70); the church, now largely Gentile, confronting early false teaching.

Key themes

  • God is light
  • God is love
  • Assurance of eternal life
  • Tests of true faith
  • Love one another

The letter's message

  • "God is light" — walking in the light brings fellowship and cleansing from sin 1 John 1c. AD 90
  • Obeying God's commands and loving others prove that we truly know him 1 John 2c. AD 90
  • Believers are the children of God; test the spirits, for many false prophets have gone out 1 John 3–4c. AD 90
  • "God is love" — we love because he first loved us 1 John 4c. AD 90
  • These things are written so that you may know you have eternal life 1 John 5c. AD 90

Key lessons

  • God is light, and fellowship with him means walking in that light; when we confess our sins, he is faithful to forgive and cleanse us. 1 John 1:5–9
  • Genuine faith shows itself in obedience and love; no one can truly claim to love God while hating a brother, for “God is love.” 1 John 4:7–8, 20
  • God wants his children to have assurance, not anxiety; John writes so that believers “may know” they have eternal life. 1 John 5:13
“He that loveth not knoweth not God; for God is love.”
1 John 4:8 KJV
Critical scholarship view

Where mainstream critical scholarship dates or attributes this book differently from the traditional view above.

Written
c. AD 90–110
Author
The Johannine community / anonymous