When we turn from the man to the Nation, the harm done is so great as to excite our gravest apprehensions and to demand our wisest and most resolute action.
 Theodore Roosevelt, State of the Union Address. copy citation

Context

“Such a death, crowning the glory of such a life, leaves us with infinite sorrow, but with such pride in what he had accomplished and in his own personal character, that we feel the blow not as struck at him, but as struck at the Nation We mourn a good and great President who is dead; but while we mourn we are lifted up by the splendid achievements of his life and the grand heroism with which he met his death. When we turn from the man to the Nation, the harm done is so great as to excite our gravest apprehensions and to demand our wisest and most resolute action. This criminal was a professed anarchist, inflamed by the teachings of professed anarchists, and probably also by the reckless utterances of those who, on the stump and in the public press, appeal to the dark and evil spirits of malice and greed, envy and sullen hatred.” source