"It's from a Teddy Roosevelt speech," she told Rolling Stone magazine in September 2013. "It's about how people judge who wins and who loses, but they're not the ones in there fighting." In other words, "It's about critics."
The quote reads, "So that his place shall never be with those cold and timid souls who neither know victory nor defeat." It's taken from Teddy's "Citizens in a Republic" speech, given in Paris in 1910.