1. This little letter of John is better known for verses 9 through 11 than anything else. These verses are most important and not to be minimized to something less than that.
2. However, John is grateful that he hears of saints “walking in the truth,” that is, they were obeying the Lord by keeping His commandments.
3. Because Christians walk in the truth they are much more apt to discern between that which is evil and that which is not (cf. 2 Corinthians 2:11; 11:13-15).