Who said "Every version of yourself exists in this library."?

This quote is attributed to Mrs. Elm.

Every version of yourself exists in this library. - Mrs. Elm

"Every version of yourself exists in this library."

Mrs. Elm Philosophy

Character in The Midnight Library

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"Every choice you make is a choice you didn't make."

"The only thing you really have to decide is what to do with the time that is given you."

"Your life is not a mistake. Even the parts that don't feel right."

"The things that haunt us are often the things we didn't do."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."