Send a Quote Enter a brief message. SendOk2 “For the power given to Congress by the Constitution does not extend to the internal regulation of the commerce of a State (that is to say, of the commerce between citizen and citizen,) which remain exclusively with its own legislature; but to its external commerce only, that is to say, its commerce with another State, or with foreign nations, or with the Indian tribes.” ~ Thomas Jefferson (1743-1826), US Founding Father, drafted the Declaration of Independence, 3rd US PresidentSource: Opinion against the constitutionality of a National Bank, February 15, 1791