"It is emphatically the province and duty of the Judicial Department to say what the law is. Those who apply the rule to particular cases must, of necessity, expound and interpret that rule. If two laws conflict with each other, the Courts must decide on the operation of each. So, if a law be in opposition to the Constitution, if both the law and the Constitution apply to a particular case, so that the Court must either decide that case conformably to the law, disregarding the Constitution, or co"

"The province of the Court is solely to decide on the rights of individuals . . . . Questions, in their nature political or which are, by the Constitution and laws, submitted to the Executive, can never be made in this court."