Here the apostle encourages against sins of infirmity (1 John 2:1, 2), shows the true knowledge and love of God (1 John 2:3-6), renews the precept of fraternal love (1 John 2:7-11), addresses the several ages of Christians (1 John 2:12-14), warns against worldly love (1 John 2:15-17), against seducers (1 John 2:18, 19), shows the security of true Christians (1 John 2:20-27), and advises to abide in Christ, 1 John 2:28, 29.