"Virtue does not consist in the absence of the passions, but in the control of them."

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The absence of utopianism in the Constitution, law, and traditional political culture has been ... important in limiting expectations concerning what can be achieved by politics. The history of the last two centuries confirms what the framers of the Constitution understood: that the perfect is the enemy of the good, and the search for unalloyed virtue in public life leads to unalloyed terror.

— Jeane Kirkpatrick