He gives the reason of their insensibility or lack of appreciation and faith: But ye believe not, because ye are not of my sheep (for similar construction, ἐστὲ ἐκ, see Matthew 26:73; John 6:65). The clause ( καθὼς εἶπον ὑμιν), £ [as I said unto you], is rejected by powerful arguments, and commentators cease to discuss whether it belongs to the previous or following clause.
In neither case does it appear entirely relevant, although the difficulties felt in either application may be reduced by supposing either one saying or the other to have been virtually embodied in the statements of the parables of John 10:1-18.