1 John 3:12 (WEB)

Passage

unlike Cain, who was of the evil one, and killed his brother. Why did he kill him? Because his deeds were evil, and his brother’s righteous.

Nearby Context

1 John 3:10 In this the children of God are revealed, and the children of the devil. Whoever doesn’t do righteousness is not of God, neither is he who doesn’t love his brother.

1 John 3:11 For this is the message which you heard from the beginning, that we should love one another;

1 John 3:12 unlike Cain, who was of the evil one, and killed his brother. Why did he kill him? Because his deeds were evil, and his brother’s righteous.

1 John 3:13 Don’t be surprised, my brothers, if the world hates you.

1 John 3:14 We know that we have passed out of death into life, because we love the brothers. He who doesn’t love his brother remains in death.

Study Lenses

The verse centers on "unlike", "cain", "evil", "killed", "brother", and "deeds". It is saying that the verse draws attention to "unlike" and "cain", so its meaning should be read from those terms before moving to application.

The nearby context moves from verse 11's "For this is the message which you..." into verse 13's "Don t be surprised my brothers if...", so "unlike" and "cain" belong inside that flow. In 1 John context, the local focus is Christ, faith, and discipleship.

A plain takeaway is to answer the verse's own emphasis on "unlike" and "cain" with trust shaped by these words, not by a vague optimism outside the passage.