“In this world, whenever there is light, there are also shadows. As long as the concept of winners exist, there must also be losers. The selfish desire of wanting to maintain peace causes wars and hatred is born to protect love.”Masashi Kishimoto
“The pain of being alone is completely out of this world, isn't it? I don't know why, but I understand your feelings so much, it actually hurts.”Masashi Kishimoto
“Sure, in a ninja's world, those who violate the rules and fail to follow orders… are lower than garbage. However… those who do not care for and support their fellows… are even lower than that!" - Obito Uchiha”Masashi Kishimoto book NarutoSource: Naruto, Vol. 27: Departure
“People cannot win against their loneliness because loneliness is this world’s worst kind of pain.”Masashi Kishimoto
“n the world, those who break the rules are scum, but those who abandon their friends are worse than scum.”Masashi Kishimoto
“If that is what this world is, what humans are… There is no future. Understanding and faith… If you take those away, all that's left is fear. I can't accept immoral methods or giving up.”Masashi Kishimoto book NarutoSource: Naruto, Band 11
“I took the life of the woman I was supposed to call mother in the process of being born… in order to become the world's strongest shinobi… an incarnation of sand was implanted inside of me…”Masashi Kishimoto