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The law, in all vicissitudes of government, fluctuations of the passions, or flights of enthusiasm, will preserve a steady undeviating course; it will not bend to the uncertain wishes, imaginations, and wanton tempers of men. . . . On the one hand it is inexorable to the cries and lamentations of the prisoners; on the other it is deaf, deaf as an adder to the clamors of the populace.