The life of the mind, because of its detachment, tends to separate a man inwardly from other men, so long as it is not balanced by the life of the spirit. For this reason, mind without spirit can render instinct corrupt or atrophied, but cannot add any excellence to the life of instinct. On this ground, some men are hostile to thought. But no good purpose is served by trying to prevent the growth of thought, which has its own insistence, and if checked in the directions in which it tends naturally, will turn into other directions where it is more harmful. And thought is in itself god-like: if the opposition between thought and instinct were irreconcilable, it would be thought that ought to conquer. But the opposition is not irreconciliable: all that is necessary is that both thought and instinct should be informed by the life of the spirit. In order that human life should have vigor, it is necessary for the instinctive impulses to be strong and direct; but in order that human life should be good, these impulses must be dominated and controlled by desires less personal and ruthless, less liable to lead to conflict than those that are inspired by instinct alone. Something impersonal and universal is needed over and above what springs out of the principle of individual growth. It is this that is given by the life of the spirit. Patriotism affords an example of the kind of control which is needed. Patriotism is compounded out of a number of instinctive feelings and impulses: love of home, love of those whose ways and outlook resemble our own, the impulse to coöperation in a group, the sense of pride in the achievements of one’s group. All these impulses and desires, like everything belonging to the life of instinct, are personal, in the sense that the feelings and actions which they inspire towards others are determined by the relation of those others to ourselves, not by what those others are intrinsically. All these impulses and desires unite to produce a love of man’s own country which is more deeply implanted in the fiber of his being, and more closely united to his vital force, than any love not rooted in instinct. But if spirit does not enter in to generalize love of country, the exclusiveness of instinctive love makes it a source of hatred of other countries. What spirit can effect is to make us realize that other countries equally are worthy of love, that the vital warmth which makes us love our own country reveals to us that it deserves to be loved, and that only the poverty of our nature prevents us from loving all countries as we love our own. In this way instinctive love can be extended in imagination, and a sense of the value of all mankind can grow up, which is more living and intense than any that is possible to those whose instinctive love is weak. Mind can only show us that it is irrational to love our own country best; it can weaken patriotism, but cannot strengthen the love of all mankind.