Added by suggestion of a contributor:
- We've had enough of exhortations to be silent! Cry out with a hundred thousand tongues. I see that the world is rotten because of silence. -St. Catherine of Siena
- He that sees another in error and endeavors not to correct it, testifies himself to be in error. - Pope Leo I
- All the evils of the world are due to lukewarm Catholics. - Pope St. Pius V
- All the strength of Satan's reign is due to the easygoing weakness of Catholics. - Pope St. Pius X
- When they sin rebuke them in the presence of all, that the rest also may have fear. - 1Timothy 5:20
- He that justifieth the wicked, and he that condemneth the just, both are abominable before God. -Proverbs 17:15