If we say we have fellowship with Him yet walk in the darkness, we lie and do not practice the truth.
say--profess. have fellowship with him-- (Jo1 1:3). The essence of the Christian life. walk--in inward and outward action, whithersoever we turn ourselves [BENGEL]. in darkness--Greek, "in the darkness"; opposed to "the light" (compare Jo1 2:8, Jo1 2:11). lie-- (Jo1 2:4). do not--in practice, whatever we say. the truth-- (Eph 4:21; Joh 3:21).
Verse 6. If we say that we have fellowship with him. If we reckon ourselves among his friends, or, in other words, if we profess to be like him: for a profession of religion involves the idea of having fellowship with God, , and he who professes that should be like him. And walk in darkness. Live in sin and error.
6 If we say It is, indeed, an argument from what is inconsistent, when he concludes that they are alienated from God, who walk in darkness. This doctrine, however, depends on a higher principle, that God sanctifies all who are his.