US Presidency
1861

They knew they could make no advancement directly in the teeth of these strong and noble sentiments. Accordingly, they commenced by an insidious debauching of the public mind. They invented an ingenious sophism, which, if conceded, was followed by perfectly logical steps through all the incidents to the complete destruction of the Union. The sophism itself is that any State of the Union may consistently with the National Constitution, and therefore lawfully and peacefully, withdraw from the Union without the consent of the Union or of any other State. The little disguise that the supposed right is to be exercised only for just cause, themselves to be the sole judge of its justice, is too thin to merit any notice.