No. If you fight for something noble, or for someone who needs your help, only then will God bless you in battle.
13 seconds sound clip from the Nacho Libre movie soundboard.
You can hear this line at 01:00:13 in the Blu-ray version of the movie.
Quote context
[...]
- But why?
- Because those men fight for vanity, for money, for false pride.
- Yes, it's terrible. Terrible.
- But is it always a sin to fight?
- You must pray for forgiveness.
- Have I focused too much on my boots and all my fame and my stretchy pants?
[...]