Council of Trent
Council of Trent: Session XXII, On The Sacrifice Of The Mass., Canon VII
Waterworth (1848), Hanover transcription; separate papal documents excluded
On The Sacrifice Of The Mass., Canon VII
ON THE SACRIFICE OF THE MASS.
CANON VII.--If any one saith, that the ceremonies, vestments, and outward signs, which the Catholic Church makes use of in the celebration of masses, are incentives to impiety, rather than offices of piety; let him be anathema.
Translation: J. Waterworth, The Canons and Decrees of the Council of Trent (1848), Hanover Historical Texts Project transcription (1995).
Source: Council of Trent: Session XXII (Hanover Historical Texts Project)