An extract from 'On the Doctrine of the Modernists by St. Pope Pius X'
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All these prescriptions and those of Our Predecessor are to be borne in mind whenever there is question of choosing directors and professors for seminaries and Catholic Universities.

Anybody who in any way is found to be imbued with Modernism is to be excluded without compunction from these offices, and those who already occupy them are to be withdrawn.

The same policy is to be adopted towards those who favour Modernism either by extolling the Modernists or excusing their culpable conduct, by criticising scholasticism, the Holy Father, or by refusing obedience to ecclesiastical authority in any of its depositaries; and towards those who show a love of novelty in history, archaeology, biblical exegesis, and finally towards those who neglect the sacred sciences or appear to prefer to them the profane. In all this question of studies, Venerable Brethren, you cannot be too watchful or too constant, but most of all in the choice of professors, for as a rule the students are modelled after the pattern of their masters. Strong in the consciousness of your duty, act always prudently but vigorously.

Equal diligence and severity are to be used in examining and selecting candidates for Holy Orders. Far, far from the clergy be the love of novelty! God hates the proud and the obstinate. For the future the doctorate of theology and canon law must never be conferred on anybody who has not made the regular course of scholastic philosophy; if conferred it shall be held as null and void. The rules laid down in 1896 by the Sacred Congregation of Bishops and Regulars for the clerics, both secular and regular, of Italy concerning the frequenting of the Universities, We now decree to be extended to all nations. Clerics and priests inscribed in a Catholic Institute or University must not in the future follow in civil Universities those courses for which there are chairs in the Catholic Institutes to which they belong. If this has been permitted anywhere in the past, We ordain that it be not allowed for the future. Let the Bishops who form the Governing Board of such Catholic Institutes or Universities watch with all care that these Our commands be constantly observed.