More from Theodore Roosevelt
- Letter to Henry L. Sprague (26 January 1900)
- Kansas City Star (7 May 1918)
- Citizenship in a Republic (1910)
People/Theodore Roosevelt/Quote

In short, in life, as in a football game, the principle to follow is: Hit the line hard; don’t foul and don’t shirk, but hit the line hard!
“The American Boy”, published in St. Nicholas 27, no. 7 (May 1900), p. 574
Quote and source from Wikiquote, CC BY-SA 4.0