John 15:7
“If My words abide in you.”
Do you see that with reason I said above, that He seeks the proof by works? For when He had said, “Whatsoever you shall ask I will do it”, He added, “If you love Me, you will keep My commandments.” And here, “If you abide in Me, and My words abide in you.”
“You shall ask what you will, and it shall be done unto you.”
This He said to show that they who plotted against Him should be burnt up, but that “they” should bear fruit. Then transferring the fear from them to the others, and showing that they should be invincible, He says,
Source: Homilies on the Gospel of John (New Advent)