{Knowing in himself} (eid(9373) en heaut(9369)). Second perfect
active participle of oida. See  2:25  for this supernatural
insight into men's minds. {Murmured} (gogguzousin). Present
active indicative retained in indirect discourse. See  41  for
gogguz(935c). {At this} (peri toutou). "Concerning this word."
{Cause to stumble} (skandalizei). Common Synoptic verb from
skandalon for which see  Mt 5:29 . In John again only in
 16:1 .