“Human sentiments being what they are, to set out to erect a type of political organization that will correspond in all respects to the ideal of justice, which a man can conceive but can never attain, is a utopia, and the utopia becomes frankly dangerous when it succeeds in bringing a large mass of intellectual and moral energies to bear upon the achievement of an end that will never be achieved and that, on the day of its purported achievement, can mean nothing more than triumph for the worst people and distress and disappointment for the good.