President George W. Bush remarks on the future of the campaign: “A campaign on harsh terrain in a vast country could be longer and more difficult than some have predicted. And helping Iraqis achieve a united, stable, and free country will require our sustained commitment. Yet, whatever is required of us, we will carry out all the duties we have accepted.”
– Transcript, “President Discusses Beginning of Operation Iraqi Freedom,” George W. Bush – White House Archives online, Accessed on 7/18/2016