We are passing through a particularly dark moment in the world’s history. But in the wizened faces of the members of Karol Wojtyła’s Środowisko, in the enraptured cries of 25,000 young people in the presence of the Blessed Sacrament, in the serene witness of Poland’s martyrs, and in the mercy, within mercy, within mercy proclaimed by Faustina, I found much ground for hope.