they could not, with more or with equal propriety, have contemplated the impeachment and punishment of two thirds of the Senate, consenting to an improper treaty, than of a majority of that or of the other branch of the National Legislature, consenting to a pernicious or unconstitutional law: a principle which, I believe, has never been admitted into any Government. How, in fact, could a majority in the House of Representatives impeach themselves? Not better, it is evident, than two thirds of the Senate might try themselves. And yet what reason is there, that a majority of the House of Representatives, sacrificing the interests of the society by an unjust and tyrannical act of legislation, should escape with impunity, more than two thirds of the Senate, sacrificing the same interests in an injurious treaty with a foreign power? The truth is, that in all such cases it is essential to the freedom, and to the necessary independence of the deliberations of the body, that the members of it should be exempt from punishment for acts done in a collective capacity; and the security to the society must depend on the care which is taken to confide the trust to proper hands, to make it their interest to execute it with fidelity, and to make it as difficult as possible for them to combine in any interest opposite to that of the public good.
So far as might concern the misbehavior of the Executive in perverting the instructions, or contravening the views of the Senate, we need not be apprehensive of the want of a disposition in that body to punish the abuse of their confidence, or to vindicate their own authority. We may thus far count upon their pride, if not upon their virtue. And so far even as might concern the corruption of leading members, by whose arts and influence the majority may have been inveigled into measures odious to the community, if the proofs of that corruption should be satisfactory, the usual propensity of human
