Bloodshed begets bloodshed. Hatred begits hatred.
So that the new generation that will be born can enjoy happiness. To pay the cost we will have to shoulder corpses and cross a river of blood (Riza Hawkeye -- Fullmetal Alchemist)
It's a cruel and random world, but the chaos is all so beautiful.
What?! I'm not small! It's the world that's too big!!
If there's no door, then I'll make one!
It brings joy in sorrow, victory in battle, light to darkness, life to the dead. That is the power of the blood-red jewel which men honor with the name "The Philosopher's Stone.