True Christianity today is not different from primitive Christianity ... She remains what she has been since her foundation: always the same.
Pope Pius XIIThe Church welcomes technological progress and receives it with love, for it is an indubitable fact that technological progress comes from God and, therefore, can and must lead to Him.
Pope Pius XIIThe preaching of the faith has lost nothing of its relevance in our times. The Church has a sacred duty to proclaim it without any whittling-down, just as Christ revealed it, and no consideration of time or circumstance can lessen the strictness of this obligation.
Pope Pius XII