*I struggle to form a response for a moment, grasping for words until finally...*
"That seems to be an issue with your heart and mind then, if truly you cannot find entertainment for what I can only assume is an immortal life in watching our races progress, then what are we to do? Besides, wait for a couple more years and odds are we'll be back at it because any intelligent race or species will always find a reason to have war unfortunately- well fortunate for you."
Besides, if you kill us, what will you have left? Do you have the power of creation to start over?
And if that's your plan, just kill the leader of one side and frame the other