Page:Joseph Story, Commentaries on the Constitution of the United States (1st ed, 1833, vol I).djvu/387

 CH. IV.] remedy, however, in such cases is solely by an appeal to the people at the elections; or by the salutary power of amendment, provided by the constitution itself.

§ 375. But, where the question is of a different nature, and capable of judicial inquiry and decision, there it admits of a very different consideration. The decision then made, whether in favour, or against the constitutionality of the act, by the state, or by the national authority, by the legislature, or by the executive, being capable, in its own nature, of being brought to the test of the constitution, is subject to judicial revision. It is in such cases, as we conceive, that there is a final and common arbiter provided by the constitution itself, to whose decisions all others are subordinate; and that arbiter is the supreme judicial authority of the courts of the Union.

§ 376. Let us examine the grounds, on which this doctrine is maintained. The constitution declares, (Art. 6,) that "This constitution, and the laws of the United States, which shall be made in pursuance thereof, and all treaties, &c. shall be the supreme law of the