Wardaddy: Ideals are peaceful. History is violent.
Wardaddy: It will end, soon. But before it does, a lot more people have to die.
Wardaddy: I had the best bow gunner in the entire Ninth Army in that seat. Now I have you.
Norman Ellison: Best job I've ever had.
Answer: There are probably a number of ways to interpret the quote, to be debated in a different forum. He's just saying thoughts about how to make the world a better place are peaceful. Rarely do people see war as a means to bring about peace. but as history shows us, war and violence often occur as a result of wanting change. Think about the 60's Civil Rights movements. Ideally, all men should be treated equally and there should be no segregation, but opposition to this resulted in violence (and to the opposition, ideally it would be better if races kept to themselves).