"The Constitution is not a suicide pact" is a phrase in American political and legal discourse. The phrase expresses the belief that constitutional restrictions on governmental power must be balanced against the need for survival of the state and its people. It is most often attributed to Abraham Lincoln, as a response to charges that he was violating the United States Constitution by suspending habeas corpus during the American Civil War. Although the phrase echoes statements made by Lincoln, and although versions of the sentiment have been advanced at various times in American history, the precise...