As for you (umei). Emphatic proleptic position before the relative o and subject of hkousate, a familiar idiom in John 8:45 ; John 10:29 , etc. Here for emphatic contrast with the antichrists. See 1 John 1:1 for ap arch (from the beginning). Let abide in you (en umin menetw). Present active imperative of menw, to remain. Do not be carried away by the new-fangled Gnostic teaching.