(…) Times of economic shocks and disruptions (…) they doubly require the exact observance of the seventh and fifth commandments concerning the goods and life of others, because otherwise the danger becomes too great that loyalty and fidelity in acting and dealing with each other will disappear to such an extent as to make civil life little less than impossible and unbearable.. [It is necessary to counteract] dishonesty in handling business, the reckless and perverse exploitation of present difficulties, and particularly the imposition of exorbitant prices and the illicit hoarding of the things necessary for life (…): violations of justice that cry out to God. Everyone sees and understands how necessary it is to prevent such temptations and watch over oneself, not only with conscientious probity in my and your relationships, but also with an unperturbed and lively sense and generous hand for everything to which Christian charity inclines and pushes and which social justice demands. From the works of mercy: feed the hungry, give drink to the thirsty, dress the naked, accommodate pilgrims, visit the sick and prisoners, – oh, how all these pains and worries from the nearby reality resonate in the present hour in our ears! – perhaps they don't depend, according to the solemn assurance of Christ, in the last judgment the blessing or the curse, joy or pain for all eternity?
[Dal Speech of His Holiness Pius XII to the parish priests and Lenten followers of Rome, Tuesday 23 February 1944; cf. Speeches and Radio Messages of His Holiness Pius XII, V, Fifth year of Pontificate, 2 March 1943 – 1° March 1944, pp. 185-207. Vatican Polyglot Typography. Document full of infallible sentences and very current].