8 distinct Greek words appear in this verse.

3 passages from patristic writers, Reformers, and church catechisms citing this verse.

• 1John 2:9 — He that saith he is in the light, and hateth his brother, is in darkness even until now.
• 1John 3:11 — For this is the message that ye heard from the beginning, that we should love one another.
• 2Cor 6:14 — Be ye not unequally yoked together with unbelievers: for what fellowship hath righteousness with unrighteousness? and what communion hath light with darkness?
• Gal 5:15 — But if ye bite and devour one another, take heed that ye be not consumed one of another.
• Gen 13:8 — And Abram said unto Lot, Let there be no strife, I pray thee, between me and thee, and between my herdmen and thy herdmen; for we be brethren.
• Matt 5:9 — Blessed are the peacemakers: for they shall be called the children of God.
• Matt 18:15 — Moreover if thy brother shall trespass against thee, go and tell him his fault between thee and him alone: if he shall hear thee, thou hast gained thy brother.
• Phil 2:14 — Do all things without murmurings and disputings:
• Rom 12:17 — Recompense to no man evil for evil. Provide things honest in the sight of all men.