Illuminated by the light of this Council, the Church — we confidently trust — will become greater in spiritual riches and gaining the strength of new energies therefrom, she will look to the future without fear. In fact, by bringing herself up to date where required, and by the wise organization of mutual co-operation, the Church will make men, families, and peoples really turn their minds to heavenly things.

[…]

In the daily exercise of our pastoral office, we sometimes have to listen, much to our regret, to voices of persons who, though burning with zeal, are not endowed with too much sense of discretion or measure. In these modern times they can see nothing but prevarication and ruin. They say that our era, in comparison with past eras, is getting worse, and they behave as though they had learned nothing from history, which is, none the less, the teacher of life. They behave as though at the time of former Councils everything was a full triumph for the Christian idea and life and for proper religious liberty.

We feel we must disagree with those prophets of gloom, who are always forecasting disaster, as though the end of the world were at hand.

In the present order of things, Divine Providence is leading us to a new order of human relations which, by men’s own efforts and even beyond their very expectations, are directed toward the fulfilment of God’s superior and inscrutable designs. And everything, even human differences, leads to the greater good of the Church.

–Blessed John XXIII, Opening address of the Second Vatican Ecumenical Council

You have seen hell where the souls of poor sinners go. To save them, God wishes to establish in the world devotion to my Immaculate Heart. If what I say to you is done, many souls will be saved and there will be peace. The war is going to end: but if people do not cease offending God, a worse one will break out during the Pontificate of Pope Pius XI. When you see a night illumined by an unknown light, know that this is the great sign given you by God that he is about to punish the world for its crimes, by means of war, famine, and persecutions of the Church and of the Holy Father. To prevent this, I shall come to ask for the Consecration of Russia to my Immaculate Heart, and the Communion of reparation on the First Saturdays.  If my requests are heeded, Russia will be converted, and there will be peace; if not, she will spread her errors throughout the world, causing wars and persecutions of the Church. The good will be martyred; the Holy Father will have much to suffer; various nations will be annihilated.

–The Mother of God, at Fatima

(with a nod to Michael Matt)