His word abiding in you - His law does not abide in you - that is, you do not regard or obey it. This was the “third” thing that he charged them with.
- They had not obeyed the command of God.
- They had not regarded his manifestations, either in the times of the old dispensation, or now through the Messiah.
- They did not yield to what he had said in the revelation of the Old Testament.
For whom he hath sent - God had foretold that the Messiah would come. He had now given evidence that Jesus was he; but now they rejected him, and this was proof that they did not regard the word of God.