It's up to history to judge.
Better to kill an innocent by mistake than spare an enemy by mistake.
I came to join the revolution, not to kill the Cambodian people. Look at me now. Am I a violent person? No. So, as far as my conscience and my mission were concerned, there was no problem.
If you have a disease of the old society, take a dose of Lenin as medication.
Since he is of no use anymore, there is no gain if he lives and no loss if he dies.
I came to carry out the struggle, not to kill people.