“I’d rather fight than switch. It’s worth fighting.”

Rand al'Thor
(15 October 1994)

Source: Clockwork Angel

Bruce Willis during a visit to the 101st Airborne Division in northern Iraq, September 25, 2003. http://www.defenselink.mil/news/Sep2003/n09262003_200309266.html

"Two and Fate", p. 29.
Along the Trail (1898)

Variant: The world is a fine place and worth fighting for and I hate very much to leave it.
Source: For Whom the Bell Tolls

Quoted in M. Kumar, Dictionary of Quotations Page 136 http://books.google.co.uk/books?id=N0VKD37eY94C&pg=PA136&dq=%22In+the+absence+of+love,+there+is+nothing+worth+fighting+for%22&hl=en&sa=X&ei=7ns3T6XuNI6n8gOnpaWqAg&ved=0CDEQ6AEwAA#v=onepage&q=%22In%20the%20absence%20of%20love%2C%20there%20is%20nothing%20worth%20fighting%20for%22&f=false

Context: Frodo : What are we holding on to, Sam?
Sam: That there’s some good in this world, Mr. Frodo. And it’s worth fighting for

Source: By the River Piedra I Sat Down and Wept

This quote is from Ethel Lina White's The Wheel Spins (1936). It was popularized in the film Mr. Smith Goes to Washington (1939). In this film a similar line was spoken by "Jefferson Smith".
Misattributed