Teaching the Latin language in the Jesuit schools of the 16th and 17th centuries was conducted in a variety of ways: initially, there was a lack of appropriate guidance and practice, but a methodology was gradually developed that used humanistic models, even if they came from schools of other faiths. Finally, from the 17th century, a unified "Ratio studiorum" came into force. They were introduced in schools taking into account their conditions and needs. The excellent quality of Latin language teaching, for which Jesuit colleges were famous in the 17th century, was due to the consolidation of the above-mentioned patterns, as well as its subordination to general educational ideals: perfect morality leading to salvation.