Page:Federalist, Dawson edition, 1863.djvu/687

 This exercise of judicial discretion, in determining between two contradictory laws, is exemplified in a familiar instance. It not uncommonly happens, that there are two statutes existing at one time, clashing in whole or in part with each other, and neither of them containing any repealing clause or expression. In such a case, it is the province of the Courts to liquidate and fix their meaning and operation; so far as they can, by any fair construction, be reconciled to each other, reason and law conspire to dictate that this should be done; where this is impracticable, it becomes a matter of necessity to give effect to one, in exclusion of the other. The rule which has obtained in the Courts for determining their relative validity is, that the last in order of time shall be preferred to the first. But this is a mere rule of construction, not derived from any positive law, but from the nature and reason of the thing. It is a rule not enjoined upon the Courts by Legislative provision, but adopted by themselves, as consonant to truth and propriety, for the direction of their conduct as interpreters of the law. They thought it reasonable, that between the interfering acts of an equal authority, that which was the last indication of its will should have the preference.

But in regard to the interfering acts of a superior and subordinate authority, of an original and derivative power, the nature and reason of the thing indicate the converse of that rule as proper to be followed. They teach us that the prior act of a superior ought to be preferred to the subsequent act of an inferior and subordinate authority; and that accordingly, whenever a particular statute contravenes the Constitution, it will be the duty of the Judicial tribunals to adhere to the latter and disregard the former.

It can be of no weight to say that the Courts, on the pretence of a repugnancy, may substitute their own