If a race does not have plenty of children, or if the children do not grow up, or if when they grow up they are unhealthy in body and stunted or vicious in mind, then that race is decadent, and no heaping up of wealth, no splendor of momentary material prosperity, can avail in any degree as offsets.
 Theodore Roosevelt, State of the Union Address. copy citation

Context

“All questions of tariff and finance sink into utter insignificance when compared with the tremendous, the vital importance of trying to shape conditions so that these two duties of the man and of the woman can be fulfilled under reasonably favorable circumstances. If a race does not have plenty of children, or if the children do not grow up, or if when they grow up they are unhealthy in body and stunted or vicious in mind, then that race is decadent, and no heaping up of wealth, no splendor of momentary material prosperity, can avail in any degree as offsets. The Congress has the same power of legislation for the District of Columbia which the State legislatures have for the various States. The problems incident to our highly complex modern industrial civilization, with its manifold and perplexing tendencies both for good and for evil, are far less sharply accentuated in the city of Washington than in most other cities.” source