The more pure and chaste is a soul, the more it hungers for this Bread [Jesus in the Eucharist], from which it derives strength to resist all temptations to sins of impurity, and by which it is more intimately united with the Divine Spouse; 'He who eats My Flesh and drinks My Blood, abides in Me and I in him'
Pope Pius XIITeaching Authority of the Church does not forbid ... research and discussions ... with regard to the doctrine of evolution.
Pope Pius XIILet 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.
Pope Pius XIITrue science discovers God in an ever-increasing degree — as though God were waiting behind every door opened by science.
Pope Pius XIIThese principles have been proclaimed by God, by the Church, by the Saints, by Christian reason and morals.
Pope Pius XII