1 John 2:7-11 John restates Christ’s ‘new’ commandment – any believer who wants to live in the light should love his brother (see John 13:34 & Leviticus 19:18).
"Whoever loves a brother or sister lives in the light" (1 John 2:10) (World Vision)
1 John 2:12-14 John addresses the different age groups among his readers – fathers, young men, and children – and encourages them all to hold onto their faith in Jesus Christ, who has existed from the beginning of time.
1 John 2:15-17 He reminds them that the things of ‘this world’ will pass away, but anyone who does God’s will has eternal life.