20 Nor were they satisfied when with the recent law they so much raged against the great and meritorious Society of Jesus; they wished to give another and very serious blow to all Religious Orders and Congregations by forbidding them to teach. Thus was accomplished a work of deplorable ingratitude and clear injustice. In fact, the liberty which is granted to all to exercise the right to teach is taken from one class of citizens guilty only of having embraced a life of renunciation and perfection. Did they perhaps wish to inflict upon the Religious, who have left and sacrificed everything to dedicate themselves only to teaching and the education of the young as an apostolic mission, the stigma of incapacity or inferiority in the teaching field? Nevertheless, experience has demonstrated with what care, with what competence, the Religious always have fulfilled their duty, with what magnificent results for the instruction of intellect as well as the education of heart they have crowned their patient labor. It is luminously proved by the number of persons, truly famous in all fields of human science and at the same time exemplary Catholics, who came forth from the schools of the Religious. It is shown by the great advances made in Spain by such schools, and by the record of students. Finally, it is confirmed by the confidence which they have enjoyed from parents, who, having received from God the right and duty of educating their own children, have also the sacrosanct liberty of choosing those who must efficaciously cooperate in their education.
Source: Dilectissima Nobis (Vatican.va)