Divini Illius Magistri §26

²⁶ All this the Church has been able to do because her mission to educate extends equally to those outside the Fold, seeing that all men are called to enter the kingdom of God and reach eternal salvation. Just as today when her missions scatter schools by the thousand in districts and countries not yet Christian, from the banks of the Ganges to the Yellow river and the great islands and archipelagos of the Pacific ocean, from the Dark Continent to the Land of Fire and to frozen Alaska, so in every age the Church by her missionaries has educated to Christian life and to civilization the various peoples which now constitute the Christian nations of the civilized world.