Marbury v. Madison · ¶142

It is emphatically the province and duty of the judicial department to say what the law is. Those who apply the use 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.

U. S. Reports, bound volume
U. S. Reports, volume 5, at 137 (Library of Congress) · transcription: Caselaw Access Project
Passage preview. Read in context for the complete text, notes and references.