Factual error: When Patton orders his driver to drive to the Carthaginian battlefield he addresses him as "sergeant". He is, however, wearing corporal's chevrons. A famous stickler for discipline and ceremonial, Patton is not likely to have made a mistake like this.
Patton (1970)
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Directed by: Franklin J. Schaffner
Starring: George C. Scott, Karl Malden, Michael Strong, Stephen Young
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General Omar N. Bradley: There's one big difference between you and me, George. I do this job because I've been trained to do it. You do it because you love it.
Trivia: As Patton and his convoy are coming into town, Patton's half-track mistakenly flattens a few live chickens. (00:16:55)
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Answer: "The front" means the front line, i.e., where the enemy is being engaged. He's saying that since the soldier isn't physically injured, he should be fighting, not (as Patton sees it) being a coward and shirking his duty.