"I've ruined their friendship once before. I'd rather give up my own memories than let it happen again!"

"I'm sorry too. I may have stopped being mean, but a Great and Powerful friend helped me realize I still wasn't very nice to you. Everyone matters Wallflower. No matter how insignificant or invisible they feel."

"There's over a million books in here."

"Princess Celestia, the last time we saw each other, I was your snide little pupil who betrayed and abandoned you.... I mean that I come before you a changed pony, humbly asking for forgiveness, guidance, and knowledge."

"...Or I can just go, and you never have to see me again."