it's rude to interrupt an enemy when he's making a mistake. wot.
semp
wot?
Yes it is rude too and how would they learn from it otherwise
although of course Napoleon would have meant doing so for their demise
It could also be stated:
Inflict not on an enemy every injury in your power, for he may afterwards become your friend. Mulish Eddin Saadi
^ yet I doubt there would ever be any possibility of this (friends) given that "I'm one of the worst kinds of human beings."