The Church was founded upon Peter: although elsewhere the same is attributed to all the Apostles, and they all receive the keys of the kingdom of heaven, the strength of the Church depends upon them all alike, yet one among the twelve is chosen so that when a head has been appointed, there may be no occasion for schism.
St. JeromeOthers drink for sterility and commit murder on the human not yet sown. Some when they sense that they have conceived by sin, consider the poisons for abortion, and frequently die themselves along with it, and go to Hell guilty of three crimes: murdering themselves, committing adultery against Christ, and murder against their unborn child.
St. JeromeIf then you remain constant in faith in the face of trial, the Lord will give you peace and rest for a time in this world, and forever in the next.
St. JeromeThe best advice that I can give you is this. Church-traditions — especially when they do not run counter to the faith — are to be observed in the form in which previous generations have handed them down; and the use of one church is not to be annulled because it is contrary to that of another.
St. Jerome