Originally Posted by MAKAVELI25
While I'm not the biggest fan of the film (as many will attest to), I think TDKR makes it clear that Bruce quits because of the Dent Act. That scene with Gordon in the hospital explicitly explains why he quits: "The Batman wasn't needed anymore, WE WON."
Well, apparently not since it's become such a point of contention. I'll admit I didn't buy that he quit because of the Dent Act; I figured he quit because...it was in the script. That was always a terrible creative decision IMO.