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44 the reading of bad books as front a deadly poison," is the great object of her legislation. Under the leadership of a mastermind like that of Leo XIII, the Roman authorities have labored for years in formulating the present ecclesiastical laws about books. These laws are the voice of the supreme pastor, the successor of St. Peter. Let us not spurn it like the heathen and the publican.

The Roman Congregations are no more infallible than our bishops and pastors. And yet there is practically but one case, during more than three centuries, in which they are accused of having made a mistake. It is the condemnation, by both the Holy Office and the Index, of Galileo Galilei (died 1639) for defending the theory that the earth moves around its own axis and around the sun.

This teaching was according to the common belief of Catholics and Protestants, at that time, clearly opposed to Holy Scripture, which the Church was bound to