3 Interior peace, that peace which comes from the full and clear consciousness that one is arrayed on the side of truth and justice and is striving and suffering for them: that peace, which only God can give and which the world can neither give nor take away: that blessed and beneficent peace, thanks to the divine goodness and mercy, has never left Us; and we have full trust that it never will leave Us, come what may. Yet this peace leaves the way open to the most bitter trials. During the Passion, it was so with the Heart of Jesus, and it is so in the hearts of His faithful servants, as well you know, Venerable Brethren; and We also have experienced the truth of those mysterious words: "Behold in peace is my bitterness most bitter" ( Isaias xxxviii, 17).
Source: Non Abbiamo Bisogno (Vatican.va)