There are, doubtless, difficulties in thinking of time in this way, for it is not entirely free from spatial reminiscences. But it serves to point out that past, present, and future are not like parts of a whole into which an absolute or complete time is divided. They are more like derivatives of the time process itself in the concrete instances of its activity. They are what every growing or changing thing involves, whether it be the knowledge of man or the crust of the earth, for everything that grows or changes manufactures a past by realizing a future. It leaves behind it the record of what it has done conserved by memory or by nature, and in leaving that record behind constantly enlarges or transforms it. The growth moves in a manner and an order which when once performed are unalterable, but there is growth none the less. Since time is like this, it seems evidently unintelligible to restrict it and history to human experience and make the world in itself absolute. It would be better to say that it is history in the large sense applicable to the world itself that makes human experience possible. Yet it would be more advisable not to make such a distinction at all, but to recognize that human experience is one kind of history, namely, history conscious of itself, the time process deliberately at work. Now it is evident that history in this latter sense is purposive and selective. That which has happened is not remembered as a whole or understood as a whole. Not only are details forgotten or neglected, but things and events otherwise important are omitted for the sake of securing emphasis and distinction among the things remembered. Herodotus spoke of "wonderful deeds" and others following this example have regarded history as concerned only with great men and great events. It is true that the little men and the little events tend to disappear, but we should remember that it is the selective character of history which makes them little. Speaking absolutely, we may say that no item, however apparently insignificant, is really insignificant in the historical development of any people or any institution, for in some measure every item is material to that development. But all are not equally material. The absence of any one of them might undoubtedly have changed the whole history, but given the presence of them all, some are of greater significance than others.