- Light vs Darkness (1John 1)
- Love his brother vs hate his brother (1John 2)
- Love of the Father vs Love of the World (1John 2)
- Truth vs Lie (1John 2)
- Christ vs Anti-Christ (1John 2)
- Do righteousness vs do sin (1John 3)
- Righteous vs Evil (1John 3)
- Children of God vs Children of Devil (1John 3)
- Life vs Death (1John 3)
- Spirit of Truth vs Spirit of Error (1John 4)
- Boldness vs Fear (1John 4)
- True God vs idols (1John 5)