I am making this statement as ...

I am making this statement as an act of wilful defiance of military authority, because I believe that the War is being deliberately prolonged by those who have the power to end it. I am a soldier, convinced that I am acting on behalf of soldiers. I believe that this War, on which I entered as a war of defence and liberation, has now become a war of aggression and conquest.
 Siegfried Sassoon

Quotes from the same author

O German mother dreaming by the fire, While you are knitting socks to send your son His face is trodden deeper in the mud.
 Siegfried Sassoon
Mud and rain and wretchedness and blood. Why should jolly soldier-boys complain? God made these before the roofless Flood - Mud and rain.
 Siegfried Sassoon
I am a soldier, convinced that I am acting on behalf of soldiers.
 Siegfried Sassoon
But I've grown thoughtful now. And you have lost Your early-morning freshness of surprise At being so utterly mine: you've learned to fear The gloomy, stricken places in my soul, And the occasional ghosts that haunt my gaze.
 Siegfried Sassoon