Greed may not be good, but it’s not so bad either. You humans think greed is just for money or power, but everyone wants something they can’t have.

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.

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)

Bloodshed begets bloodshed. Hatred begits hatred.

A lesson without pain is meaningless. For you cannot gain anything without sacrificing something else in return, but once you have overcome it and made it your own...you will gain an irreplaceable fullmetal heart.

Hughes: (Talking for Mustang) 'I won't allow you to die under my jurisdiction because it'd be a pain to clean up the mess.' That's what he said. Edward: Fine. Tell him, 'Understood. I'll never die before you, colonel, you @#'$ idiot.' Hughes: Ha ha ha! They say the ruder you are, the luckier you are! In that case, you and Roy are gonna live forever!

A different species a different set of values a world completely unlike your own. There is a feeling you can only get when you meet the unknown and open your mind. - Nakajima (Gin no Saji)