On the Catholic Priesthood
Some are scandalized at the mixture of good and evil in the Catholic Church, not knowing the Scriptures, nor believing the Word of God. The mixture of good and evil is permitted in the turbulent sea of this world; but they shall be separated on the eternal shore. And yet, though there be an evil mixture in the visible Church of Christ - bad Christians, bad Catholics, men whose lives are a scandal and a shame - nevertheless, the sanctity of the Church is never tainted. It depends not on men, but on the Sanctifier.
Source: Towards Evening, extracts from the writings of Cardinal Henry E. Manning. 1889