Letters did not train the professors for secondary education, the engineers, and so on, needed by society, because they were here met by the triumphant competition of "special schools" previously instituted: the École normale, the École polytechnique. The Faculties of Catholic Theology, of Sciences, and of Letters were therefore obliged to justify their existence by other modes of activity. In particular, the professors of history in the Faculties of Letters could not undertake the instruction of the young men who were destined to teach history in the lycées. Deprived of these special pupils, they found themselves in a situation analogous to that of those charged with historical instruction at the Collège de France. They too were not, as a rule, technical experts. For half a century they carried on the work of higher popularisation in lectures delivered to large audiences of leisured persons (since much abused), who were attracted by the force, the elegance, and the pleasing style of their diction.
The function of training the future teachers for secondary education was reserved for the École normale supérieure. Now at this epoch it was an admitted principle that to be a good secondary teacher it is necessary for a man to know, and sufficient to know perfectly, the subject he is charged to teach. The one is certainly necessary, but the other is not sufficient: knowledge of a different, of a higher, order is no less indispensable than the regular "scholastic" equipment. At the École there was never any question of such higher knowledge, but, in accordance with the prevailing theory, preparation was made for secondary teaching simply by imparting it. However, as the École normale has always been excellently recruited, the system in vogue