But he that hateth his brother is in darkness, and walketh in darkness, and knoweth not whither he goeth, because that darkness hath blinded his eyes.
Is in darkness, and walketh. "Is" marks his continuing STATE: he has never come our of 'the darkness:' "walketh" marks his OUTWARD COURSE.
Whither, х pou (G4226)] - 'where:' including not only the destination to which, but the way whereby.
Hath blinded - aorist, "blinded" of old. Darkness not only surrounds, but blinds him, and that a blindness of long standing.