The day the Church abandons Her universal tongue will be the day before She returns to the Catecombs.

True science discovers God in an ever-increasing degree — as though God were waiting behind every door opened by science.

But how can you know anything of the impression made on others? Who can assure you that others do not draw therefrom incentives to evil? You do not know the depths of human frailty. . . Oh, how truly was it said that if some Christian women could only suspect the temptations and falls they cause in others with modes of dress and familiarity in behavior, which they unthinkingly consider as of no importance, they would be shocked by the responsibility which is theirs.

Teaching Authority of the Church does not forbid ... research and discussions ... with regard to the doctrine of evolution.

If a worker is deprived of hope to acquire some personal property, what other natural stimulus can be offered him that will inspire him to hard work, labor, saving and sobriety today, when so many nations and men have lost everything and all they have left is their capacity for work?

Let no Christian therefore, whether philosopher or theologian, embrace eagerly and lightly whatever novelty happens to be thought up from day to day, but rather let him weigh it with painstaking care and a balanced judgment, lest he lose or corrupt the truth he already has, with grave danger and damage to his faith.

Mainly through sins of impurity, do the forces of darkness subjugate souls.