"If we only focus on making the best moves, we will never get the better of our opponent. When necessary, we must be willing to take big risks, and be prepared to lose everything. Unless we change how we fight, we cannot win." — Erwin Smith
"He made three requests. That I protect him and never betray him until he obtains his revenge. That I obey his orders unconditionally. And that I would never lie... to him." — Sebastian Michaelis
"I called his name again and again. And I learned that each time, nothing called back. I learned that no matter how much you want something, how many times you scream to it, sometimes it's out of reach. I decided to stop calling out for someone who would never call back." — Takashi Natsume
"(Her dad) He'd always tell me that family isn't about being related by blood. Living under the same roof and caring for each other is what family is all about." — Charunee Kusakabe
"What a silly little girl I was, thinking you would change. I should have known how you would turn out. You had it written in ugly black letters all across your soul." — Genkai
"I study too, you know. How could I teach anyone if I didn't grow and learn day by day. Now let's get rid of this dangerous cloth. Experiencing my Absolute Defense Form over summer vacation taught me yet another skill: compressing not my whole body, but a portion of my tentacles to release a burst of energy. Remember this Itona, I say assassination is education. The assassination classrooms teacher will get stronger every time he teaches!" — Korosensei