Rin... Rin was the only light I had. After I lost her, my view of the world changed. It became a pitch-black hell. There was no more hope in this world. I began walking again under the guise of Madara, which only reinforced what I already realized. Even with the Sharingan, I couldn't see anything. Nothing.
All S1
I'll pass on saying "I won't let you guys get hurt!" with a smile. You're no longer an apprentice ninja who needs to be protected. You're shinobi who'll sooner or later have to pass Kakashi and sustain Konoha on your shoulders. It's one thing to be compassionate and another to be indulgent.
Actually, just watch. You're about to see a completely new Naruto!
These quotes come from Wikiquote's Naruto: Shippūden pages and are available under the Creative Commons Attribution-ShareAlike License.