Tragedy is thus defined by Aristotle (omitting what I thought unnecessary in his definition). It is an imitation of one entire, great, and probable action; not told, but represented; which, by moving in us fear and pity, is conducive to the purging of those two passions in our minds. More largely thus: Tragedy describes or paints an action, which action must have all the properties above named. First, it must be one or single; that is, it must not be a history of one man's life, suppose of Alexander the Great, or Julius Caesar, but one single action of theirs. This condemns all Shakespeare's historical plays, which are rather chronicles represented, than tragedies; and all double action of plays. As, to avoid a satire upon others, I will make bold with my own "Marriage A-la-mode," where there are manifestly two actions, not depending on one another; but in "OEdipus" there cannot properly be said to be two actions, because the love of Adrastus and Eurydice has a necessary dependence on the principal design into which it is woven. The natural reason of this rule is plain; for two different independent actions distract the attention and concernment of the audience, and consequently destroy the intention of the poet; if his business be to move terror and pity, and one of his actions he comical, the other tragical, the former will divert the people, and utterly make void his greater purpose. Therefore, as in perspective, so in tragedy, there must be a point of sight in which all the lines terminate; otherwise the eye wanders, and the work is false. This was the practice of the Grecian stage. But Terence made an innovation in the Roman: all his plays have double actions; for it was his custom to translate two Greek comedies, and to weave them into one of his, yet so, that both their actions were comical, and one was principal, the other but secondary or subservient. And this has obtained on the English stage, to give us the pleasure of variety. As the action ought to be one, it ought, as such, to have order in it; that is, to have a natural beginning, a middle, and an end. A natural beginning, says Aristotle, is that which could not necessarily have been placed after another thing; and so of the rest. This consideration will arraign all plays after the new model of Spanish plots, where accident is heaped upon accident, and that which is first might as reasonably be last; an inconvenience not to be remedied, but by making one accident naturally produce another, otherwise it is a farce and not a play. Of this nature is the "Slighted Maid;" where there is no scene in the first act, which might not by as good reason be in the fifth. And if the action ought to be one, the tragedy ought likewise to conclude with the action of it. Thus in "Mustapha," the play should naturally have ended with the death of Zanger, and not have given us the grace-cup after dinner, of Solyman's divorce from Roxolana.