1 John 2:9

9The [one]ὁclaimingλέγωνinἐνtheτῷlightφωτὶto beεἶναιandκαὶtheτὸνbrotherἀδελφὸνof himαὐτοῦhatingμισῶνinἐνtheτῇdarknessσκοτίᾳisἐστὶνeven untilἕωςnowἄρτι.

The one claiming to be in the light and hating his brother is in the darkness until now.