No government can live and flourish without having as part of its system of administration of civil affairs some permanent human force, invested with acknowledged and supreme authority, and always in a position to exercise it promptly and efficiently, in case of need, on any proper call. It must be permanent in its character. Only what is permanent will have the confidence of the people. It must always be ready to act on the instant. The unexpected is continually happening, and it is emergencies that put governments to the test. The judiciary holds this position in the United States. The institutions which underlie and characterize.