"The principle of the Constitution is that of a separation of legislative, Executive and Judiciary functions, except in cases specified. If this principle be not expressed in direct terms, it is clearly the spirit of the Constitution, and it ought to be so commented and acted on by every friend of free government."

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I acknowledge, in the ordinary course of government, that the exposition of the laws and Constitution devolves upon the judicial. But I beg to know upon what principle it can be contended that any one department draws from the Constitution greater powers than another in marking out the limits of the powers of the several departments.

— James Madison