As long as armies exist, any serious quarrel will lead to war.

Yes, a war is inevitable. Firstly, there's you fellows who can't be trusted. And then there's the multitude who mean to have bathrooms and white enamel. Millions of them; all over the world. Not merely here. And there aren't enough bathrooms and white enamel in the world to go round.

When diplomacy ends, War begins.

In war everyone loses. This brutal truth can be seen in the eyes of every solider in every world.

War always brings death and destruction and that can never be a good thing

War is the business of barbarians.

Once you lead [the] people into war, they will forget there ever was such a thing as tolerance.
The spirit of ruthless brutality will enter every fiber of our national life, infecting Congress, the courts, the policeman on the beat, the man in the street.

the bitter heart-burnings, and the war of tongues, which is so often the prelude to other wars.

Somebody may beat me — but they’re going to have to bleed to do it.

War is always a struggle in which each contender tries to annihilate the other. Besides using force, they will have recourse to all possible tricks and stratagems in order to achieve the goal.

He that is the author of war lets loose the whole contagion of hell and opens a vein that bleeds a nation to death.

War is a bazaar where lives are traded like any other commodity: chocolate or bullets or parachute silk.

Was there ever a war where only one side bled?

Sooner or later, all games become serious.