"Love is the reason why there is pain. When we lose someone precious to us, hate is born. Vengeance is the product of that hate and so death follows. But in death there is only more death. This will give rise to more pains. In this cursed world we live in, it is a cycle of hatred that will not cease. You and I seek the same thing that Jiraiya-sensei wanted. Let me ask you this: How will you confront this hatred in order to create peace? " — Pain
"Why did I rescue this guy in the first place? He's anti-social, thinks he's evil kenevil, and hardly speaks. You've got such a gloomy personality, why don't you stop pretending to be human." — Duo Maxwell
"Humans who lose the capacity to think become creatures who's existence has no value. Think, you humans who are split into two worlds, unless you want the gulf between humans to expand into oblivion, you must think! " — Michael Seebach
"To create something that appeals to the emotions of users, you need to make something that sways your own heart. You can't move others hearts, unless you can move your own. " — Kazuki Fujisawa
"Everyone dies eventually, whether they have power or not. That's why you need to think about what you'll accomplish while you're alive." — Mary Macbeth
"I can't promise you that good things will come to your life, but I do know that no one but you have the power to give meaning to your life in this world." — Rin Asogi