I well know, thank God, that Tradition was before all Scripture, since a good part of Scripture itself is only Tradition reduced to writing, with an infallible assistance of the Holy Spirit. But, since the authority of Scripture is more easily received by the reformers than that of Tradition, I begin with the former in order to get a better entrance for my argument.
Holy Scripture is in such sort the rule of the Christian faith that we are obliged by every kind of obligation to believe most exactly all that it contains, and not to believe anything which may be ever so little contrary to it: for if Our Lord Himself has sent the Jews to it to strengthen their faith, it must be a most safe standard. The Sadducees erred because they did not understand the Scriptures; they would have done better to attend to them, as to a light shining in a dark place , according to the advice of St. Peter, who having himself heard the voice of the Father in the Transfiguration of the Son, bases himself more firmly on the testimony of the Prophets than on this experience. When God says to Josue: Let not the book of this law depart from thy mouth, He shows clearly that He willed him to have it always in his mind, and to let no persuasion enter which should be contrary to it. But I am losing time; this disputation would be needed against free-thinkers (les Libertins), we are agreed on this point, and those who are so mad as to contradict it, can only rest their contradiction on the Scripture itself, contradicting themselves before contradicting the Scripture, using it in the very protestation which they make that they will not use it.