This institution was far short of its present state of perfection at the death of the celebrated inventor, which happened on the 23d of December 1789. During the long career of their first father, the deaf and dumb had been able to find means only to write, under the dictation of signs, words whose import was scarcely known to them. When endeavours were made to make them emerge from the confined sphere of the first wants, not one of them knew how to express in writing any thing but ideas of sense and wants of the first necessity. The nature of the verb, the relations of tenses, that of other words comprehended in the phrase, and which form the syntax of languages, were utterly unknown to them. And, indeed, how could they answer the most trifling question? Every thing in the construction of a period was to them an enigma. It was not long before the successor of the inventor discovered the defect of this instruction, which was purely mechanical and acquired by rote. He thought he perceived this defect in the _concrete_ verb, in which the deaf and dumb, seeing only a single word, were unable to distinguish two ideas which are comprehended in it, that of affirmation and that of quality. He thought he perceived also that defect in the expression of the qualities, always presented, in all languages, out of the subjects, and never in the noun which they modify; and, by the help of a process no less simple than ingenious and profound, he has made the deaf and dumb comprehend the most arduous difficulty, the nature of abstraction; he has initiated them in the art of generalizing ideas by presenting to them the adjective in the noun, as the quality is in the object, and the quality subsisting alone and out of the object, having no support but in the mind, for him who considers it, and but in the abstract noun for him who reads the expression of it. He has, in like manner, separated the verb from the quality in concrete verbs, and communicated to the deaf and dumb the knowledge of the true verb, which he has pointed out to them in the termination of all the French verbs, by reattaching to the subject, by a line agreed on, its verbal quality. This line he has translated by the verb _to be_, the only verb recognized by philosophic grammarians. These are the two foundations of this very extraordinary source of instruction, and on which all the rest depend. The pronouns are learned by nouns; the tenses of conjugation, by the three absolute tenses of conjugation of all languages; and these, by this line, so happily imagined, which is a sign of the present when it connects the verbal quality and the subject, a sign of the past when it is intersected, a sign of the future when it is only begun.