Every State has the primary duty to protect its own population from grave and sustained violations of human rights, as well as from the consequences of humanitarian crises, whether natural or man-made.
Pope Benedict XVIThere may be a basis in the case of some individuals, as perhaps when a male prostitute uses a condom, where this can be a first step in the direction of a moralisation, a first assumption of responsibility...
Pope Benedict XVIFor each one of you, as for the apostles, the encounter with the divine Teacher who calls you friends may be the beginning of an extraordinary venture: that of becoming apostles among your contemporaries to lead them to live their own experience of friendship with God, made Man, with God who has made himself my friend.
Pope Benedict XVIWhile the Church exhorts civil authorities to seek peace, not war, and to exercise discretion and mercy in imposing punishment on criminals, it may still be permissible to take up arms to repel an aggressor or to have recourse to capital punishment. There may be a legitimate diversity of opinion even among Catholics about waging war and applying the death penalty, but not however with regard to abortion and euthanasia.
Pope Benedict XVI