Is he prepared to support, at his own expense, projects and undertakings designed to help the needy? Is he prepared to pay higher taxes so that public authorities may expand their efforts in the work of development? Is he prepared to pay more for imported goods, so that the foreign producer may make a fairer profit? Is he prepared to emigrate from his homeland if necessary and if he is young, in order to help the emerging nations?

The work of art, just like any fragment of human life considered in its deepest meaning, seems to me devoid of value if it does not offer the hardness, the rigidity, the regularity, the luster on every interior and exterior facet, of the crystal.

Individual initiative alone and the mere free play of competition could never assure successful development. One must avoid the risk of increasing still more the wealth of the rich and the dominion of the strong, whilst leaving the poor in their misery and adding to the servitude of the oppressed.

Physics does not change the nature of the world it studies, and no science of behavior can change the essential nature of man, even though both sciences yield technologies with a vast power to manipulate the subject matters.

Modern man listens more willingly to witnesses than to teachers, and if he does listen to teachers, it is because they are witnesses.

The Mass is the most perfect form of prayer.

The freedom or immunity from coercion in matters religious, which is the endowment of persons as individuals, is also to be recognized as their right when they act in community. Religious communities are a requirement of the social nature both of man and of religion itself.