At the present day[6366], after the complete course of classical studies, four years in school no longer suffice for obtaining the degrees of a doctor in medicine or doctor in law. Five or six years are necessary. Two years are necessary between the baccalauréat ès-lettres and the various licenses ès-lettres or sciences, and from these to the corresponding aggrégations two, three years, and often more. Three years of preparatory studies in mathematics and of desperate application lead the young man to the threshold of the École Polytechnique; after that, after two years in school and of no less sustained effort, the future engineer passes three not less laborious years at the École des Ponts et Chaussées or des Mines, which amounts to eight years of professional preparation.[6367] Elsewhere, in the other schools, it is the same thing with more or less excess. Observe how days and hours are spent during this long period.[6368] The young men have attended lecture-courses, masticated and re-masticated manuals, abbreviated abridgments, learned by heart mementos and formulae, stored their memories with a vast multitude of generalities and details. Every sort of preliminary information, all the theoretical knowledge which, even indirectly, may serve them in their future profession or which is of service in neighboring professions, are classified in their brains, ready to come forth at the first call, and, as proved by the examination, disposable at a minute; they possess them, but nothing otherwise or beyond. Their education has all tended to one side; they have undergone no practical apprenticeship. Never have they taken an active part in or lent a hand to any professional undertaking either as collaborators or assistants. * The future professor, a new aggrégé at twenty-four years of age, who issues from the École Normale, has not yet taught a class, except for a fortnight in a Paris lycée. * The future engineer who, at twenty-four or twenty-five years of age leaves the École Centrale, or the École des Ponts, or École des Mines, has never assisted in the working of a mine, in the heating of a blast furnace, in the piercing of a tunnel, in the laying-out of a dike, of a bridge or of a roadway. He is ignorant of the cost and has never commanded a squad of workmen. * If the future advocate or magistrate to be has put up with being a notary's or lawyer's clerk, he will at twenty-five years of age, even if he is a doctor of law with his insignia of three "white balls," know nothing of the business; he merely knows his codes; he has never examined pleadings, conducted a case, drawn up an act or liquidated an estate.