At the start we are guided by an end or ideal of what we would bring about. To a being destitute of self-consciousness only a single sort of action is at any moment possible. When a certain force falls upon it, it meets with a fixed response. Or, if the causative forces are many, what happens is but the well-established resultant of these forces operating upon a being as definite in nature as they. Such a being contemplates no future to be reached through motions set up within it. Its motions do not occur for the sake of realizing in coming time powers as yet but half-existent. It is not guided by ideals. Its actions set forth merely what it steadily is, not what it might be. Something like the opposite of all this shapes personal acts. A person has imagination. He contemplates future events as possible before they occur, and this contemplation is one of the very factors which bring them about. For example: while writing here, I can emancipate my thought from this present act and set myself to imagining my situation an hour hence. At that time I perceive I may be still at my writing-desk, I may be walking the streets, I may be at the theatre, or calling on my friend. A dozen, a hundred, future possibilities are depicted as open to me. On one or another of these I fix my attention, thereby giving it a causal force over other present ideas, and rendering its future realization likely. So enormously important is imagination. By it we effect our emancipation from the present. Without this power to summon pictures of situations which at present are not, we should be exactly like the things or brutes already described. For in the thing a determined sequence follows every impulse. There is no ambiguous future disclosed, no variety of possibilities, no alternatives. Present things under definite causes have but a single issue; and if the account given of the brute is correct, his condition is unlike that of things only in this respect, that in him curious automatic springs are provided which set him in appropriate motion whenever he is exposed to harm, so enabling him suitably to face a future of which, however, he forms no image. In both brutes and things there is entire limitation to the present. This is not the case with a person. He takes the future into his reckoning, and over him it is at least as influential as the past. A person, through imagination laying hold of future possibilities, has innumerable auxiliary forces at his command. Choice appears. A depicted future thus held by attention for causal purposes is no longer a mere idea; it becomes an ideal.