It is worth noting here that there is no separation between real and imaginary persons; indeed, to be imagined is to become real, in a social sense, as I shall presently point out. An invisible person may easily be more real to an imaginative mind than a visible one; sensible presence is not necessarily a matter of the first importance. A person can be real to us only in the degree in which we imagine an inner life which exists in us, for the time being, and which we refer to him. The sensible presence is important chiefly in stimulating us to do this. All real persons are imaginary in this sense. If, however, we use imaginary in the sense of illusory, an imagination not corresponding to fact, it is easy to see that visible presence is no bar to illusion. Thus I meet a stranger on the steamboat who corners me and tells me his private history. I care nothing for it, and he half knows that I do not; he uses me only as a lay figure to sustain the agreeable illusion of sympathy, and is talking to an imaginary companion quite as he might if I were elsewhere. So likewise good manners are largely a tribute to imaginary companionship, a make believe of sympathy which it is agreeable to accept as real, though we may know, when we think, that it is not. To conceive a kindly and approving companion is something that one involuntarily tries to do, in accordance with that instinctive hedonizing inseparable from all wholesome mental processes, and to assist in this by at least a seeming of friendly appreciation is properly regarded as a part of good breeding. To be always sincere would be brutally to destroy this pleasant and mostly harmless figment of the imagination. Thus the imaginary companionship which a child of three or four years so naïvely creates and expresses, is something elementary and almost omnipresent in the thought of a normal person. In fact, thought and personal intercourse may be regarded as merely aspects of the same thing: we call it personal intercourse when the suggestions that keep it going are received through faces or other symbols present to the senses; reflection when the personal suggestions come through memory and are more elaborately worked over in thought. But both are mental, both are personal. Personal images, as they are connected with nearly all our higher thought in its inception, remain inseparable from it in memory. The mind is not a hermit’s cell, but a place of hospitality and intercourse. We have no higher life that is really apart from other people. It is by imagining them that our personality is built up; to be without the power of imagining them is to be a low-grade idiot; and in the measure that a mind is lacking in this power it is degenerate. Apart from this mental society there is no wisdom, no power, justice, or right, no higher existence at all. The life of the mind is essentially a life of intercourse.