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 The Senate commonly feels with the House, but it does not, so to say, feel so fast. It at least has a chance to be the express image of those judgments of the nation which are slower and more temperate than its feelings.

This it is which makes the Senate “the most powerful and efficient second chamber that exists,” and this it is which constitutes its functions one of the effectual checks, one of the real balances, of our system; though it is made to seem very insignificant in the literary theory of the Constitution, where the checks of state upon federal authorities, of executive prerogatives upon legislative powers, and of Judiciary upon President and Congress, though some of them in reality inoperative from the first and all of them weakened by many “ifs” and “buts,” are made to figure in the leading rôles, as the characteristic Virtues, triumphing over the characteristic Vices, of our new and original political Morality-play.

It should, however, be accounted a deduction from the Senate’s usefulness that it is seldom sure of more than two thirds of itself for more than four years at a time. In order that its life may be perpetual, one third of its membership is renewed or changed every two years, each third