“A lesson without pain is meaningless. That's because no one can gain without sacrificing something. But by enduring that pain and overcoming it, he shall obtain a powerful, unmatched heart. A fullmetal heart.”

“There’s no such thing as a painless lesson, they just don’t exist. Sacrifices are necessary; you can’t gain anything without losing something first. Although, if you can endure that pain, and walk away from it you’ll find that you now have a heart strong enough to overcome any obstacle. Yea, a heart made fullmetal.”

“Pain is the feeling. Suffering is the effect the pain inflicts. If one can endure pain, one can live without suffering. If one can withstand pain, one can withstand anything. If one can learn to control pain, one can learn to control oneself. ”

“No gains without pains.”

“Her heart had grown so familiar to the pain of life without him, that to respond now seemed too large a pleasure she could not endure. If pain was love, then she loved fiercely. Yet knew she could not be near that boy again.”

“Living is painful. Without pain, reality would escape us and the lessons the world has for us will go untaught.”