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.
Do not let your deeds belie your words, lest when you speak in church someone may say to himself, "Why do you not practice what you preach?
The Church of Christ has been founded by shedding its own blood, not that of others; by enduring outrage, not by inflicting it. Persecutions have made it grow; martyrdoms have crowned it.
A man who is well grounded in the testimonies of the Scripture is the bulwark of the Church.