There is no complete language, no language which can express all our ideas and all our sensations; their shades are too numerous, too imperceptible. Nobody can make known the precise degree of sensation he experiences. One is obliged, for example, to designate by the general names of "love" and "hate" a thousand loves and a thousand hates all different from each other; it is the same with our pleasures and our pains. Thus all languages are, like us, imperfect. They have all been made successively and by degrees according to our needs. It is the instinct common to all men which made the first grammars without perceiving it. The Lapps, the Negroes, as well as the Greeks, needed to express the past, the present and the future; and they did it: but as there has never been an assembly of logicians who formed a language, no language has been able to attain a perfectly regular plan. All words, in all possible languages, are necessarily the images of sensations. Men have never been able to express anything but what they felt. Thus everything has become metaphor; everywhere the soul is enlightened, the heart burns, the mind wanders. Among all peoples the infinite has been the negation of the finite; immensity the negation of measure. It is evident that our five senses have produced all languages, as well as all our ideas. The least imperfect are like the laws: those in which there is the least that is arbitrary are the best. The most complete are necessarily those of the peoples who have cultivated the arts and society. Thus the Hebraic language should be one of the poorest languages, like the people who used to speak it. How should the Hebrews have had maritime terms, they who before Solomon had not a boat? how the terms of philosophy, they who were plunged in such profound ignorance up to the time when they started to learn something in their migration to Babylon? The language of the Phoenicians, from which the Hebrews drew their jargon, should be very superior, because it was the idiom of an industrious, commercial, rich people, distributed all over the earth. The most ancient known language should be that of the nation most anciently gathered together as a body of people. It should be, further, that of the people which has been least subjugated, or which, having been subjugated, has civilized its conquerors. And in this respect, it is constant that Chinese and Arabic are the most ancient of all those that are spoken to-day. There is no mother-tongue. All neighbouring nations have borrowed from each other: but one has given the name of "mother-tongue" to those from which some known idioms are derived. For example, Latin is the mother-tongue in respect of Italian, Spanish and French: but it was itself derived from Tuscan; and Tuscan was derived from Celtic and Greek.