Sasuke: Snakes can sense things through temperature, and they can also do it with their sense of smell by passing the smell in the mouth." Itachi: You've learnt a lot...Dr. Snakes

When people are protecting something truly special to them, they truly can become...as strong as they can be.

Hidan: Hey, look at that, it's my headband! You went to the trouble of picking it up and keeping for me? I'm touched. You're a pretty nice guy, Kakuzu, you knwo that? Kakuzu: Shut up. Let's go. Hidan: Let me put it on at least! Okay, I'm coming. Admit it, you like me a little, doncha? Kakuzu: Either you shut up, or I'll kill you. Hidan: Haha, you're embarrassed! I understand.

If you want to kill me, despise me, hate me, and live in an unsightly way... Run, and cling to life, and then some day, when you have the same eyes as I do, come before me

Sakura: Never figured you for the artistic type. Sai: Looks can be decieving.

That is a considerable amount of puppets. But ... [Proceeds to summon one hundred puppets of his own] With this, I took down a whole country

But you... You helped me find my way and take the correct path, Naruto... I always chased after you...wanting to catch up...wanting to walk together with you forever... I want to be at your side, always... You changed me, Naruto! Your smiling face saved me! And that's way I'm not afraid to die, defending you! Because... I love you.