Who said "Solitude teaches us who we really are"?

This quote is attributed to Marie-Laure.

Solitude teaches us who we really are - Marie-Laure

"Solitude teaches us who we really are"

Marie-Laure Solitude

Character in All the Light We Cannot See

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"It is a terrible thing to live in fear."

"The ocean connects us all."

"Books are a way to escape."

"We must be brave for those we love."

"Sometimes being the best means being the loneliest."

"Solitude gives us time to reflect on what matters"

"I'm not good with people, never have been."

"I feel like I'm disappearing."