So with all the other faculties that flow from these two great gifts.

Beading and books have brought many souls nearer to their Creator.

Many souls, on the other hand, have been ruined eternally by the books which they have read.

It is dearly, therefore, of importance to us to know how to use wisely these gifts that we possess.
The Holy Catholic Church, the Guardian of God's Truth, and the unflinching upholder of the moral law, has been always alive to her duty in this matter, and from the earliest times has claimed and exercised the right of pointing out to her children books that are dangerous to faith or virtue.

This is one of the duties of bishops, and, in a most special manner, of the Sacred Congregation of the Index.