Federalist 51 1
Publius argues that the Constitution will maintain separation of powers by means of its "interior structure." The "great security" against tyranny is to give the members of each department the "necessary constitutional means" combined with the requisite "personal motives" to resist encroachments on their power. The fact "that such devices should be necessary to control the abuses of government" is a "reflection on human nature."
February 6, 1788
The Structure of the Government Must Furnish the Proper Checks and Balances Between the Different Departments
To what expedient, then, shall we finally resort, for maintaining in practice the necessary partition of power among the several departments as ...