He too was the first to point out, what even in our own day is incompletely appreciated, that nature, including the development of man, is not full of incoherent episodes like a bad tragedy, that inconsistency and anomaly are as impossible in the moral as they are in the physical world, and that where the superficial observer thinks he sees a revolution the philosophical critic discerns merely the gradual and rational evolution of the inevitable results of certain antecedents.
And while admitting the necessity of a psychological basis for the philosophy of history, he added to it the important truth that man, to be apprehended in his proper position in the universe as well as in his natural powers, must be studied from below in the hierarchical progression of higher function from the lower forms of life. The important maxim, that to obtain a clear conception of anything we must 'study it in its growth from the very beginning,' is formally set down in the opening of the POLITICS, where, indeed, we shall find the other characteristic features of the modern Evolutionary theory, such as the 'Differentiation of Function' and the 'Survival of the Fittest' explicitly set forth.
What a valuable step this was in the improvement of the method of historical criticism it is needless to point out. By it, one may say, the true thread was given to guide one's steps through the bewildering labyrinth of facts. For history (to use terms with which Aristotle has made us familiar) may be looked at from two essentially different standpoints; either as a work of art whose [Greek text which cannot be reproduced] or final cause is external to it and imposed on it from without; or as an organism containing the law of its own development in itself, and working out its perfection merely by the fact of being what it is. Now, if we adopt the former, which we may style the theological view, we shall be in continual danger of tripping into the pitfall of some APRIORI conclusion - that bourne from which, it has been truly said, no traveller ever returns.
The latter is the only scientific theory and was apprehended in its fulness by Aristotle, whose application of the inductive method to history, and whose employment of the evolutionary theory of humanity, show that he was conscious that the philosophy of history is nothing separate from the facts of history but is contained in them, and that the rational law of the complex phenomena of life, like the ideal in the world of thought, is to be reached through the facts, not superimposed on them - [Greek text which cannot be reproduced].
And finally, in estimating the enormous debt which the science of historical criticism owes to Aristotle, we must not pass over his attitude towards those two great difficulties in the formation of a philosophy of history on which I have touched above. I mean the assertion of extra-natural interference with the normal development of the world and of the incalculable influence exercised by the power of free will.
Now, as regards the former, he may be said to have neglected it entirely. The special acts of providence proceeding from God's immediate government of the world, which Herodotus saw as mighty landmarks in history, would have been to him essentially disturbing elements in that universal reign of law, the extent of whose limitless empire he of all the great thinkers of antiquity was the first explicitly to recognise.
Standing aloof from the popular religion as well as from the deeper conceptions of Herodotus and the Tragic School, he no longer thought of God as of one with fair limbs and treacherous face haunting wood and glade, nor would he see in him a jealous judge continually interfering in the world's history to bring the wicked to punishment and the proud to a fall. God to him was the incarnation of the pure Intellect, a being whose activity was the contemplation of his own perfection, one whom Philosophy might imitate but whom prayers could never move, to the sublime indifference of whose passionless wisdom what were the sons of men, their desires or their sins? While, as regards the other difficulty and the formation of a philosophy of history, the conflict of free will with general laws appears first in Greek thought in the usual theological form in which all great ideas seem to be cradled at their birth.
It was such legends as those of OEdipus and Adrastus, exemplifying the struggles of individual humanity against the overpowering force of circumstances and necessity, which gave to the early Greeks those same lessons which we of modern days draw, in somewhat less artistic fashion, from the study of statistics and the laws of physiology.
In Aristotle, of course, there is no trace of supernatural influence. The Furies, which drive their victim into sin first and then punishment, are no longer 'viper-tressed goddesses with eyes and mouth aflame,' but those evil thoughts which harbour within the impure soul. In this, as in all other points, to arrive at Aristotle is to reach the pure atmosphere of scientific and modern thought.
But while he rejected pure necessitarianism in its crude form as essentially a REDUCTIO AD ABSURDUM of life, he was fully conscious of the fact that the will is not a mysterious and ultimate unit of force beyond which we cannot go and whose special characteristic is inconsistency, but a certain creative attitude of the mind which is, from the first, continually influenced by habits, education and circumstance; so absolutely modifiable, in a word, that the good and the bad man alike seem to lose the power of free will; for the one is morally unable to sin, the other physically incapacitated for reformation.