There's always been one particular quote that stuck to me. It was said by Orihime, from Bleach.

"I don't feel anything like regret! It's just that...it's just that, not being able to fight with everyone...makes me feel lonely...!! But...what would make me feel worse than being lonely...is getting in everyone's way...that would make me feel worse!! If it means I would get in the way of...Kurosaki-kun and everyone...Then I would rather be lonely, very lonely."

Also, Hibari's (Katekyo Hitman Reborn!) slogan of "I'll bite you to death" is also another favorite.

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