TWO:How far Plotinus was indebted to Ammonius Saccas for his speculative ideas is another question with respect to which the Pythagoreanising tendencies of his biographer may282 possibly have contributed to the diffusion of a serious misconception. What Porphyry tells us is this. Before leaving Alexandria, Plotinus had bound himself by a mutual agreement with two of his fellow-pupils, Herennius and Origines (not the Christian Father, but a pagan philosopher of the same age and name), to keep secret what they had learned by listening to the lectures of Ammonius. Herennius, however, soon broke the compact, and Origines followed his example. Plotinus then considered that the engagement was at an end, and used the results of his studies under Ammonius as the basis of his conversational lectures in Rome, the substance of which, we are left to suppose, was subsequently embodied in his published writings. But, as Zeller has pointed out, this whole story bears a suspicious resemblance to what is related of the early Pythagorean school. There also the doctrines of the master were regarded by his disciples as a mystery which they pledged themselves to keep secret, and were only divulged through the infidelity of one among their number, Philolaus. And the same critic proves by a careful examination of what are known to have been the opinions of Origines and Longinus, both fellow-pupils of Plotinus, that they differed from him on some points of essential importance to his system. We cannot, therefore, suppose that these points were included in the teaching of their common master, Ammonius.425 But if this be so, it follows that Plotinus was the real founder of the Neo-Platonic school; and, in all cases, his writings remain the great source whence our knowledge of its first principles is derived.
TWO:The final antithesis of conscious life is that between the398 individual and the state. In this sense, Aristotles Politics is the completion of his Ethics. It is only in a well-ordered community that moral habits can be acquired; and it is only in such a community that the best or intellectual life can be attained, although, properly speaking, it is not a social life. Nevertheless, the Politics, like every other portion of Aristotles system, reproduces within itself the elements of an independent whole. To understand its internal organisation, we must begin by disregarding Aristotles abortive classification (chiefly adapted from Plato) of constitutions into three legitimateMonarchy, Aristocracy, and Republic; and three illegitimateDemocracy, Oligarchy, and Tyranny. Aristotle distinguishes them by saying that the legitimate forms are governed with a view to the general good; the illegitimate with a view to the interests of particular classes or persons. But, in point of fact, as Zeller shows,291 he cannot keep up this distinction; and we shall better understand his true idea by substituting for it anotherthat between the intellectual and the material state. The object of the one is to secure the highest culture for a ruling caste, who are to abstain from industrial occupations, and to be supported by the labour of a dependent population. Such a government may be either monarchical or aristocratic; but it must necessarily be in the hands of a few. The object of the other is to maintain a stable equilibrium between the opposing interests of rich and poortwo classes practically distinguished as the few and the many. This end is best attained where supreme power belongs to the middle class. The deviations are represented by oligarchy and tyranny on the one side, and by extreme democracy on the other. Where such constitutions exist, the best mode of preserving them is to moderate their characteristic excess by borrowing certain institutions from the opposite form of government, or by modifying their own institutions in a conciliatory sense.
