Aristotle on the art of poetry by Aristotle, 384 BC-322 BC, Bywater, Ingram, 1840-1914, Murray, Gilbert, 1866-1957

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The Plot and Characters having been discussed, it remains to consider the Diction and Thought. As for the Thought, we may assume what is said of it in our Art of Rhetoric, as it belongs more properly to that department of inquiry. The Thought of the personages is shown in everything to be effected by their language--i.e.ery effort to prove or disprove, to arouse emotion (pity, fear, anger, and the like), or to maximize or minimize things. It is clear, also, that their mental procedure must be on the same lines in their actions likewise, whenever they wish them to arouse pity or horror, or have a look of importance or probability. The only difference is that with the act the impression has to be made without explanation; whereas with the spoken word it has to be produced by the speaker, and result from his language. What, indeed, would be the good of the speaker, if things appeared in the required light even apart from anything he says?

As regards the Diction, one subject for inquiry under this head is the turns given to the language when spoken; e.g. the difference between command and prayer, simple statement and threat, question and answer, and so forth. The theory of such matters, however, belongs to Elocution and the professors of that art. Whether the poet knows these things or not, his art as a poet is never seriously criticized on that account. What fault can one see in Homer's 'Sing of the wrath, Goddess'?--which Protagoras has criticized as being a command where a prayer was meant, since to bid one do or not do, he tells us, is a command. Let us pass over this, then, as appertaining to another art, and not to that of poetry.

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The Diction viewed as a whole is made up of the following parts: the Letter (or ultimate element), the Syllable, the Conjunction, the Article, the Noun, the Verb, the Case, and the Speech. (1) The Letter is an indivisible sound of a particular kind, one that may become a factor in an intelligible sound. Indivisible sounds are uttered by the brutes also, but no one of these is a Letter in our sense of the term. These elementary sounds are either vowels, semivowels, or mutes. A vowel is a Letter having an audible sound without the addition of another Letter. A semivowel, one having an audible sound by the addition of another Letter; e.g. S and R. A mute, one having no sound at all by itself, but becoming audible by an addition, that of one of the Letters which have a sound of some sort of their own; e.g. D and G. The Letters differ in various ways: as produced by different conformations or in different regions of the mouth; as aspirated, not aspirated, or sometimes one and sometimes the other; as long, short, or of variable quantity; and further as having an acute.g.ave, or intermediate accent.