Archibald T. Robertson
Robertson's New Testament Word Pictures
1Joh 3,23Kommentar zu 1. Johannes 3,23
His commandment (η εντολη αυτου).
That (ινα). Subfinal use of ινα in apposition with εντολη (commandment) and explanatory of it, as in John 15:12 (εντολη ινα). See Christ's summary of the commandments (Mark 12:28-31; Matthew 22:34-40). So these two points here (1)
We should believe (πιστευσωμεν, first aorist active
subjunctive according to B K L, though Aleph A C read the present
subjunctive πιστευωμεν) either in a crisis (aorist) or the continuous
tenor (present) of our lives. The "name" of Jesus Christ here stands for
all that he is, "a compressed creed " (Westcott) as in