Translation of a fragment of the Humbert of Romans' treatise «About the preaching of the Saint Cross against Sarrasins»

The work represents a publication of a fragment of the treatise written by Humbert of Romans, the fifth grand master of Dominican Order, «About the Preaching of the Saint Cross against the Sarrasins» that contains it's fundamental ideas. The treatise was written in the times of church reorganization of the XIII century and generally confirms the continuity of the argumentation in favor of the crusade.