The great ideals of liberty and equality are preserved against the assaults of opportunism, the expediency of the passing hour, the erosion of small encroachments, the scorn and derision of those who have no patience with general principles.
With traps and obstacles and hazards confronting us on every hand, only blindness or indifference will fail to turn in all humility, for guidance or for warning, to the study of examples.
It is for ordinary minds, not for psychoanalysts, that our rules of evidence are framed. They have their source very often in considerations of administrative convenience, or practical expediency, and not in rules of logic.
