This is how all will know that you are my disciples, if you have love for one another.” Peter’s Denial Predicted.
so that they may all be one, as you, Father, are in me and I in you, that they also may be in us, that the world may believe that you sent me.
Whoever loves his brother remains in the light, and there is nothing in him to cause a fall.
But whoever keeps his word, the love of God is truly perfected in him. This is the way we may know that we are in union with him:
But now, Lady, I ask you, not as though I were writing a new commandment but the one we have had from the beginning: let us love one another.