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...the popes were neither able nor willing by that infallible authority to settle the various most important controversies which the Romish church cherished in her own bosom (i.e., between the Thomists and Scotists, the Dominicans and Jesuits, the Jesuits and Jansenists, etc). For why did they not at once repress those contentions by their infallibility and untie the tangled knots? If they could not, what becomes of their infallibility? If they could, why did they not save the church from such scandals?
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Francis Turretin (Institutes of Elenctic Theology (Vol. 1))