‎”It is also not entirely unworthy of observation, that in declaring what shall be the supreme law of the land, THE CONSTITUTION ITSELF IS FIRST MENTIONED; and not the laws of the United States generally, but those only which shall be MADE IN PURSUANCE OF THE CONSTITUTION, have that rank.

Thus, the particular phraseology of the constitution of the United States confirms and strengthens the principle, supposed to be essential to all written constitutions, that A LAW REPUGNANT TO THE CONSTITUTION IS VOID; and that courts, as well as other departments, are bound by that instrument.”

 

– John C. Marshall – Marbury v. Madison (opinion), 5. U.S. (1 Cranch) 137, 180 (excerpt); Decided February 24th, 1803.

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