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I hesitated indeed, whether it might not be better to offer some childish dialogues to the boys, in order to make Latin more familiar to them; but I retained the form of the GATE original: "JANUÆ." This refers to his famous textbook Janua Linguarum Reserata (The Gate of Languages Unlocked)., so that this preparation truly leads to the Gate, that is, the art of expressing things properly original: "Res propriè exprimendi artificium." Comenius believed language should directly reflect the reality of things, rather than being mere "chatter.". For in learning the Latin language, we must not first strive to have boys become accustomed to chattering in Latin (as has been preposterously done until now), but rather that they learn to understand each thing in its proper meaning. "But," you will say, "more attention is needed this way." So be it; let them therefore become accustomed to engaging with books with attention. And why is there a need for haste? They are boys; they must be led slowly; slowly, I say, but wisely. I shall say, therefore, what has been done here.
I have selected over a thousand of the most common words and arranged them into very short little sentences, most of them consisting of two words. In the first chapter, I have placed Names with Added Names, or (as they call them) Substantives with Adjectives; in the second chapter, Nouns with Verbs; in the third, I have arranged indeclinable particles: Adverbs, Prepositions, and Numerals; the more common Conjunctions and Interjections are partly scattered throughout. The remaining matters concerning things that exist and happen in the School, in the Home, and in the City (at least as many as seemed possible to be offered as a first taste) are located in chapters IV, V, and VI; and finally, certain brief precepts concerning Virtues are found in chapter VII.
The vocabulary list below categorizes the parts of speech and concepts introduced in the text.
Gate (Janua), Latin language (Latinitas), Substantives/Nouns (Substantiva), Adjectives (Adjectiva), Nouns/Names (Nomina), Verbs (Verba), Adverbs (Adverbia), Prepositions (Præpositiones), Numerals (Numeralia), Conjunctions (Conjunctiones), Interjections (Interjectiones), Virtues (Virtutibus)