No. No. He'd have even more power as a martyr.
6 seconds sound clip from the Batman Returns (1992) movie soundboard.
You can hear this line at 01:05:03 in the Blu-ray version of the movie.
Quote context
[...]
- I have but one pet cause today.
- Oh, him again. No bother. He's already history.
- We're gonna disassemble his Batmobile and turn it into an H-bomb on wheels.
- No. No. He'd have even more power as a martyr.
- To destroy Batman, we must first turn him into what he hates the most.
- Not even in office yet and already an enemies list, hm?
- Those names are not for prying eyes.
[...]