Rufus Wheeler Peckham, Ex parte Young — Opinion of the Court (1908)
“ The judiciary cannot, as the legislature may, avoid a measure because it approaches the confines of the Constitution. We cannot pass it by because it is doubtful. With whatever doubts, with whatever difficulties, a case may be attended, we must decide it, if it be brought before us. We have no more right to decline the exercise of jurisdiction which is given, than to usurp that which is not given. ”
