Mine is Naruto's
"I don't care who I have to fight!
If he rips my arms out, I'll kick him to death!
If he rips my legs off, I'll bite him to death!
If he rips my head off, I'll stare him to death!
And if he gouges out my eyes, I'll curse him from the grave!
Even If i'm torn to shreds, I'm taking Sasuke back from Orochimaru!"
Yes, Naruto is indeed a real idiot! He's clumsy, a goof and a birdbrain! But no one does the unexpected more than him! He's saved us countless times! Every time someone expects him to fail, he proves them wrong! That's who Naruto Uzamaki is!
"If you think I'm just a foolish kid ruled by his emotions, that's fine. Following Itachi's path would have been too childish, the whispering of fools who don't know hatred. If anyone else tries to ridicule the way I live, I'll slaughter everyone they ever cared about. And then maybe they'll understand what it's like to taste... a little of my hatred."
Itachi -
"...don't judge others simply by your preconceptions and judgment based on their appearance. You assumed... that I have patience... You all fail to measure your own capacity, and see the depth of my capacity, and as a result you lie here beaten." - Chapter 222, pp.11-12
"Problems are only chances for success"-Guy
"You cannot open another's mind without having an open mind yourself"-Kakashi
"There's no fun in teaching a prodigy"-Jiraiya
But really anything Itachi says is amazing to me. I was so mad when they took his signature long on and changed it for the english dub. It would've sounded so cool
"If you think I'm just a foolish kid ruled by his emotions, that's fine. Following Itachi's path would have been too childish, the whispering of fools who don't know hatred. If anyone else tries to ridicule the way I live, I'll slaughter everyone they ever cared about. And then maybe they'll understand what it's like to taste... a little of my hatred."
Itachi -
"...don't judge others simply by your preconceptions and judgment based on their appearance. You assumed... that I have patience... You all fail to measure your own capacity, and see the depth of my capacity, and as a result you lie here beaten." - Chapter 222, pp.11-12
(to Tsunade) "You think you're the only ones who matter. You think you can put off death. But that peace made you foolish and thoughtless. If you kill someone, someone else will kill you… this hatred binds us together. I want you to feel pain, to think about pain, to accept pain, to know pain."
(To Naruto) "I see… That is noble of you. That is justice indeed. However… My family… My friends… My village… They suffered the same fate as this village by you ninja of Konoha. How is it fair to allow only you people to preach about peace and justice?"
"Love breeds sacrifice… which breeds hatred… Then you can know pain.
"We are both but men, driven to seek vengeance under the banner of justice. However… if there is justice in vengeance, then justice will breed only more vengeance… thus forging more links in a chain of hatred."
"If you don't share someone's pain, you can never understand them. But just because you understand them doesn't mean you can come to an agreement. That's the truth."
"You and I are no different. We each act according to our own sense of justice. The justice I have meted out against Konoha is no different than what you are trying to mete out against me."