These principles have been proclaimed by God, by the Church, by the Saints, by Christian reason and morals.
Pope Pius XIIHenceforth it will be the task of this Sacred Congregation not only to examine carefully the books denounced to it, to prohibit them if necessary, and to grant permission for reading forbidden books, but also to supervise, ex officio, books that are being published, and to pass sentence on such as deserve to be prohibited.
Pope Pius XII[Parental] authority must be tempered...with loving kindness and patient encouragement. To temper authority with kindness is to triumph in the struggle which belongs to your duty as parents...All those who would advantageously rule over others, must as an essential element, first dominate themselves, their passions, their impressions.
Pope Pius XII